Home / 10,443.96-15,666.10-3,424.70

Finding the Fourth Proportional to 10,443.96, 15,666.10 and 3,424.70

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Solution

The fourth proportional to 10,443.96, 15,666.10 and 3,424.70 is: 5,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.96 : 15,666.10 = 3,424.70 : x
  2. Step 2: Convert to fraction form
    10,443.96/15,666.10 = 3,424.70/x
  3. Step 3: Cross multiply
    10,443.96x = 15,666.10 × 3,424.70
  4. Step 4: Simplify right side
    10,443.96x = 53,651,723.27
  5. Step 5: Solve for x
    x = 53,651,723.27/10,443.96
  6. Step 6: Final answer
    x = 5,137.11

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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.