Home / 13,250.93-18,286.17-7,201.11

Finding the Fourth Proportional to 13,250.93, 18,286.17 and 7,201.11

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Solution

The fourth proportional to 13,250.93, 18,286.17 and 7,201.11 is: 9,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.93 : 18,286.17 = 7,201.11 : x
  2. Step 2: Convert to fraction form
    13,250.93/18,286.17 = 7,201.11/x
  3. Step 3: Cross multiply
    13,250.93x = 18,286.17 × 7,201.11
  4. Step 4: Simplify right side
    13,250.93x = 131,680,721.65
  5. Step 5: Solve for x
    x = 131,680,721.65/13,250.93
  6. Step 6: Final answer
    x = 9,937.47

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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.