Home / 10,681.11-16,006.20-9,747.18

Finding the Fourth Proportional to 10,681.11, 16,006.20 and 9,747.18

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Solution

The fourth proportional to 10,681.11, 16,006.20 and 9,747.18 is: 14,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.11 : 16,006.20 = 9,747.18 : x
  2. Step 2: Convert to fraction form
    10,681.11/16,006.20 = 9,747.18/x
  3. Step 3: Cross multiply
    10,681.11x = 16,006.20 × 9,747.18
  4. Step 4: Simplify right side
    10,681.11x = 156,015,312.52
  5. Step 5: Solve for x
    x = 156,015,312.52/10,681.11
  6. Step 6: Final answer
    x = 14,606.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.