Home / 8,553.16-12,829.40-3,007.76

Finding the Fourth Proportional to 8,553.16, 12,829.40 and 3,007.76

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Solution

The fourth proportional to 8,553.16, 12,829.40 and 3,007.76 is: 4,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.16 : 12,829.40 = 3,007.76 : x
  2. Step 2: Convert to fraction form
    8,553.16/12,829.40 = 3,007.76/x
  3. Step 3: Cross multiply
    8,553.16x = 12,829.40 × 3,007.76
  4. Step 4: Simplify right side
    8,553.16x = 38,587,756.14
  5. Step 5: Solve for x
    x = 38,587,756.14/8,553.16
  6. Step 6: Final answer
    x = 4,511.52

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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.