Home / 8,331.20-11,499.68-4,976.48

Finding the Fourth Proportional to 8,331.20, 11,499.68 and 4,976.48

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Solution

The fourth proportional to 8,331.20, 11,499.68 and 4,976.48 is: 6,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.20 : 11,499.68 = 4,976.48 : x
  2. Step 2: Convert to fraction form
    8,331.20/11,499.68 = 4,976.48/x
  3. Step 3: Cross multiply
    8,331.20x = 11,499.68 × 4,976.48
  4. Step 4: Simplify right side
    8,331.20x = 57,227,927.53
  5. Step 5: Solve for x
    x = 57,227,927.53/8,331.20
  6. Step 6: Final answer
    x = 6,869.11

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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.