Home / 12,456.57-18,690.36-6,532.04

Finding the Fourth Proportional to 12,456.57, 18,690.36 and 6,532.04

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Solution

The fourth proportional to 12,456.57, 18,690.36 and 6,532.04 is: 9,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456.57 : 18,690.36 = 6,532.04 : x
  2. Step 2: Convert to fraction form
    12,456.57/18,690.36 = 6,532.04/x
  3. Step 3: Cross multiply
    12,456.57x = 18,690.36 × 6,532.04
  4. Step 4: Simplify right side
    12,456.57x = 122,086,179.13
  5. Step 5: Solve for x
    x = 122,086,179.13/12,456.57
  6. Step 6: Final answer
    x = 9,800.95

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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.