Home / 10,935.90-16,318.54-9,757.81

Finding the Fourth Proportional to 10,935.90, 16,318.54 and 9,757.81

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Solution

The fourth proportional to 10,935.90, 16,318.54 and 9,757.81 is: 14,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.90 : 16,318.54 = 9,757.81 : x
  2. Step 2: Convert to fraction form
    10,935.90/16,318.54 = 9,757.81/x
  3. Step 3: Cross multiply
    10,935.90x = 16,318.54 × 9,757.81
  4. Step 4: Simplify right side
    10,935.90x = 159,233,212.80
  5. Step 5: Solve for x
    x = 159,233,212.80/10,935.90
  6. Step 6: Final answer
    x = 14,560.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.