Home / 11,741.91-16,204.59-7,711.13

Finding the Fourth Proportional to 11,741.91, 16,204.59 and 7,711.13

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Solution

The fourth proportional to 11,741.91, 16,204.59 and 7,711.13 is: 10,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.91 : 16,204.59 = 7,711.13 : x
  2. Step 2: Convert to fraction form
    11,741.91/16,204.59 = 7,711.13/x
  3. Step 3: Cross multiply
    11,741.91x = 16,204.59 × 7,711.13
  4. Step 4: Simplify right side
    11,741.91x = 124,955,619.06
  5. Step 5: Solve for x
    x = 124,955,619.06/11,741.91
  6. Step 6: Final answer
    x = 10,641.85

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Double scale
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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.