Home / 8,648.17-12,961.28-5,867.91

Finding the Fourth Proportional to 8,648.17, 12,961.28 and 5,867.91

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Solution

The fourth proportional to 8,648.17, 12,961.28 and 5,867.91 is: 8,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.17 : 12,961.28 = 5,867.91 : x
  2. Step 2: Convert to fraction form
    8,648.17/12,961.28 = 5,867.91/x
  3. Step 3: Cross multiply
    8,648.17x = 12,961.28 × 5,867.91
  4. Step 4: Simplify right side
    8,648.17x = 76,055,639.19
  5. Step 5: Solve for x
    x = 76,055,639.19/8,648.17
  6. Step 6: Final answer
    x = 8,794.42

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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.