Home / 8,113.59-11,196.75-4,387.59

Finding the Fourth Proportional to 8,113.59, 11,196.75 and 4,387.59

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Solution

The fourth proportional to 8,113.59, 11,196.75 and 4,387.59 is: 6,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.59 : 11,196.75 = 4,387.59 : x
  2. Step 2: Convert to fraction form
    8,113.59/11,196.75 = 4,387.59/x
  3. Step 3: Cross multiply
    8,113.59x = 11,196.75 × 4,387.59
  4. Step 4: Simplify right side
    8,113.59x = 49,126,748.33
  5. Step 5: Solve for x
    x = 49,126,748.33/8,113.59
  6. Step 6: Final answer
    x = 6,054.87

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Find fourth proportional to 4,056.80, 5,598.38 and 2,193.80
Half scale
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Double scale
Find fourth proportional to 8,114.59, 11,198.13 and 4,388.59
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.