Home / 10,531.38-15,790.59-7,248.54

Finding the Fourth Proportional to 10,531.38, 15,790.59 and 7,248.54

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Solution

The fourth proportional to 10,531.38, 15,790.59 and 7,248.54 is: 10,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.38 : 15,790.59 = 7,248.54 : x
  2. Step 2: Convert to fraction form
    10,531.38/15,790.59 = 7,248.54/x
  3. Step 3: Cross multiply
    10,531.38x = 15,790.59 × 7,248.54
  4. Step 4: Simplify right side
    10,531.38x = 114,458,723.24
  5. Step 5: Solve for x
    x = 114,458,723.24/10,531.38
  6. Step 6: Final answer
    x = 10,868.35

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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.