Home / 8,113.56-11,196.69-4,387.56

Finding the Fourth Proportional to 8,113.56, 11,196.69 and 4,387.56

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Solution

The fourth proportional to 8,113.56, 11,196.69 and 4,387.56 is: 6,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.56 : 11,196.69 = 4,387.56 : x
  2. Step 2: Convert to fraction form
    8,113.56/11,196.69 = 4,387.56/x
  3. Step 3: Cross multiply
    8,113.56x = 11,196.69 × 4,387.56
  4. Step 4: Simplify right side
    8,113.56x = 49,126,149.18
  5. Step 5: Solve for x
    x = 49,126,149.18/8,113.56
  6. Step 6: Final answer
    x = 6,054.82

Related Problems

Find fourth proportional to 4,056.78, 5,598.35 and 2,193.78
Half scale
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Double scale
Find fourth proportional to 8,114.56, 11,198.07 and 4,388.56
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.