Home / 12,331.52-17,015.80-7,025.30

Finding the Fourth Proportional to 12,331.52, 17,015.80 and 7,025.30

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Solution

The fourth proportional to 12,331.52, 17,015.80 and 7,025.30 is: 9,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.52 : 17,015.80 = 7,025.30 : x
  2. Step 2: Convert to fraction form
    12,331.52/17,015.80 = 7,025.30/x
  3. Step 3: Cross multiply
    12,331.52x = 17,015.80 × 7,025.30
  4. Step 4: Simplify right side
    12,331.52x = 119,541,099.74
  5. Step 5: Solve for x
    x = 119,541,099.74/12,331.52
  6. Step 6: Final answer
    x = 9,693.95

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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.