Home / 12,531.92-17,275.52-9,874.08

Finding the Fourth Proportional to 12,531.92, 17,275.52 and 9,874.08

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Solution

The fourth proportional to 12,531.92, 17,275.52 and 9,874.08 is: 13,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.92 : 17,275.52 = 9,874.08 : x
  2. Step 2: Convert to fraction form
    12,531.92/17,275.52 = 9,874.08/x
  3. Step 3: Cross multiply
    12,531.92x = 17,275.52 × 9,874.08
  4. Step 4: Simplify right side
    12,531.92x = 170,579,866.52
  5. Step 5: Solve for x
    x = 170,579,866.52/12,531.92
  6. Step 6: Final answer
    x = 13,611.63

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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.