Home / 9,966.46-13,753.16-5,717.68

Finding the Fourth Proportional to 9,966.46, 13,753.16 and 5,717.68

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Solution

The fourth proportional to 9,966.46, 13,753.16 and 5,717.68 is: 7,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.46 : 13,753.16 = 5,717.68 : x
  2. Step 2: Convert to fraction form
    9,966.46/13,753.16 = 5,717.68/x
  3. Step 3: Cross multiply
    9,966.46x = 13,753.16 × 5,717.68
  4. Step 4: Simplify right side
    9,966.46x = 78,636,167.87
  5. Step 5: Solve for x
    x = 78,636,167.87/9,966.46
  6. Step 6: Final answer
    x = 7,890.08

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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.