Home / 12,508.50-17,232.51-8,724.92

Finding the Fourth Proportional to 12,508.50, 17,232.51 and 8,724.92

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Solution

The fourth proportional to 12,508.50, 17,232.51 and 8,724.92 is: 12,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.50 : 17,232.51 = 8,724.92 : x
  2. Step 2: Convert to fraction form
    12,508.50/17,232.51 = 8,724.92/x
  3. Step 3: Cross multiply
    12,508.50x = 17,232.51 × 8,724.92
  4. Step 4: Simplify right side
    12,508.50x = 150,352,271.15
  5. Step 5: Solve for x
    x = 150,352,271.15/12,508.50
  6. Step 6: Final answer
    x = 12,020.01

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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.