Home / 8,807.96-12,154.68-4,829

Finding the Fourth Proportional to 8,807.96, 12,154.68 and 4,829

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Solution

The fourth proportional to 8,807.96, 12,154.68 and 4,829 is: 6,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.96 : 12,154.68 = 4,829 : x
  2. Step 2: Convert to fraction form
    8,807.96/12,154.68 = 4,829/x
  3. Step 3: Cross multiply
    8,807.96x = 12,154.68 × 4,829
  4. Step 4: Simplify right side
    8,807.96x = 58,694,949.72
  5. Step 5: Solve for x
    x = 58,694,949.72/8,807.96
  6. Step 6: Final answer
    x = 6,663.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.