Home / 12,531.72-17,292.60-7,494.92

Finding the Fourth Proportional to 12,531.72, 17,292.60 and 7,494.92

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Solution

The fourth proportional to 12,531.72, 17,292.60 and 7,494.92 is: 10,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.72 : 17,292.60 = 7,494.92 : x
  2. Step 2: Convert to fraction form
    12,531.72/17,292.60 = 7,494.92/x
  3. Step 3: Cross multiply
    12,531.72x = 17,292.60 × 7,494.92
  4. Step 4: Simplify right side
    12,531.72x = 129,606,653.59
  5. Step 5: Solve for x
    x = 129,606,653.59/12,531.72
  6. Step 6: Final answer
    x = 10,342.29

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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.