Home / 8,113.66-11,196.85-4,387.66

Finding the Fourth Proportional to 8,113.66, 11,196.85 and 4,387.66

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Solution

The fourth proportional to 8,113.66, 11,196.85 and 4,387.66 is: 6,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.66 : 11,196.85 = 4,387.66 : x
  2. Step 2: Convert to fraction form
    8,113.66/11,196.85 = 4,387.66/x
  3. Step 3: Cross multiply
    8,113.66x = 11,196.85 × 4,387.66
  4. Step 4: Simplify right side
    8,113.66x = 49,127,970.87
  5. Step 5: Solve for x
    x = 49,127,970.87/8,113.66
  6. Step 6: Final answer
    x = 6,054.97

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Half scale
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Double scale
Find fourth proportional to 8,114.66, 11,198.23 and 4,388.66
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.