Home / 8,348.99-11,521.78-4,572.31

Finding the Fourth Proportional to 8,348.99, 11,521.78 and 4,572.31

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Solution

The fourth proportional to 8,348.99, 11,521.78 and 4,572.31 is: 6,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.99 : 11,521.78 = 4,572.31 : x
  2. Step 2: Convert to fraction form
    8,348.99/11,521.78 = 4,572.31/x
  3. Step 3: Cross multiply
    8,348.99x = 11,521.78 × 4,572.31
  4. Step 4: Simplify right side
    8,348.99x = 52,681,149.91
  5. Step 5: Solve for x
    x = 52,681,149.91/8,348.99
  6. Step 6: Final answer
    x = 6,309.88

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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.