Home / 8,890.92-12,273.30-8,331.18

Finding the Fourth Proportional to 8,890.92, 12,273.30 and 8,331.18

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Solution

The fourth proportional to 8,890.92, 12,273.30 and 8,331.18 is: 11,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.92 : 12,273.30 = 8,331.18 : x
  2. Step 2: Convert to fraction form
    8,890.92/12,273.30 = 8,331.18/x
  3. Step 3: Cross multiply
    8,890.92x = 12,273.30 × 8,331.18
  4. Step 4: Simplify right side
    8,890.92x = 102,251,071.49
  5. Step 5: Solve for x
    x = 102,251,071.49/8,890.92
  6. Step 6: Final answer
    x = 11,500.62

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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.