Home / 10,422.13-15,633.20-3,501.49

Finding the Fourth Proportional to 10,422.13, 15,633.20 and 3,501.49

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Solution

The fourth proportional to 10,422.13, 15,633.20 and 3,501.49 is: 5,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.13 : 15,633.20 = 3,501.49 : x
  2. Step 2: Convert to fraction form
    10,422.13/15,633.20 = 3,501.49/x
  3. Step 3: Cross multiply
    10,422.13x = 15,633.20 × 3,501.49
  4. Step 4: Simplify right side
    10,422.13x = 54,739,493.47
  5. Step 5: Solve for x
    x = 54,739,493.47/10,422.13
  6. Step 6: Final answer
    x = 5,252.24

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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.