Home / 10,266.80-15,398.22-3,339.68

Finding the Fourth Proportional to 10,266.80, 15,398.22 and 3,339.68

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Solution

The fourth proportional to 10,266.80, 15,398.22 and 3,339.68 is: 5,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.80 : 15,398.22 = 3,339.68 : x
  2. Step 2: Convert to fraction form
    10,266.80/15,398.22 = 3,339.68/x
  3. Step 3: Cross multiply
    10,266.80x = 15,398.22 × 3,339.68
  4. Step 4: Simplify right side
    10,266.80x = 51,425,127.37
  5. Step 5: Solve for x
    x = 51,425,127.37/10,266.80
  6. Step 6: Final answer
    x = 5,008.88

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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.