Home / 9,937.45-13,713.65-5,688.52

Finding the Fourth Proportional to 9,937.45, 13,713.65 and 5,688.52

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Solution

The fourth proportional to 9,937.45, 13,713.65 and 5,688.52 is: 7,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.45 : 13,713.65 = 5,688.52 : x
  2. Step 2: Convert to fraction form
    9,937.45/13,713.65 = 5,688.52/x
  3. Step 3: Cross multiply
    9,937.45x = 13,713.65 × 5,688.52
  4. Step 4: Simplify right side
    9,937.45x = 78,010,372.30
  5. Step 5: Solve for x
    x = 78,010,372.30/9,937.45
  6. Step 6: Final answer
    x = 7,850.14

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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.