Home / 10,542.28-15,809.60-4,298.98

Finding the Fourth Proportional to 10,542.28, 15,809.60 and 4,298.98

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Solution

The fourth proportional to 10,542.28, 15,809.60 and 4,298.98 is: 6,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.28 : 15,809.60 = 4,298.98 : x
  2. Step 2: Convert to fraction form
    10,542.28/15,809.60 = 4,298.98/x
  3. Step 3: Cross multiply
    10,542.28x = 15,809.60 × 4,298.98
  4. Step 4: Simplify right side
    10,542.28x = 67,965,154.21
  5. Step 5: Solve for x
    x = 67,965,154.21/10,542.28
  6. Step 6: Final answer
    x = 6,446.91

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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.