Home / 8,666.28-13,001.58-3,472.02

Finding the Fourth Proportional to 8,666.28, 13,001.58 and 3,472.02

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Solution

The fourth proportional to 8,666.28, 13,001.58 and 3,472.02 is: 5,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.28 : 13,001.58 = 3,472.02 : x
  2. Step 2: Convert to fraction form
    8,666.28/13,001.58 = 3,472.02/x
  3. Step 3: Cross multiply
    8,666.28x = 13,001.58 × 3,472.02
  4. Step 4: Simplify right side
    8,666.28x = 45,141,745.79
  5. Step 5: Solve for x
    x = 45,141,745.79/8,666.28
  6. Step 6: Final answer
    x = 5,208.90

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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.