Home / 8,546.29-12,831.36-4,389.17

Finding the Fourth Proportional to 8,546.29, 12,831.36 and 4,389.17

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Solution

The fourth proportional to 8,546.29, 12,831.36 and 4,389.17 is: 6,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.29 : 12,831.36 = 4,389.17 : x
  2. Step 2: Convert to fraction form
    8,546.29/12,831.36 = 4,389.17/x
  3. Step 3: Cross multiply
    8,546.29x = 12,831.36 × 4,389.17
  4. Step 4: Simplify right side
    8,546.29x = 56,319,036.62
  5. Step 5: Solve for x
    x = 56,319,036.62/8,546.29
  6. Step 6: Final answer
    x = 6,589.88

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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.