Home / 10,661.32-14,712.28-5,881.26

Finding the Fourth Proportional to 10,661.32, 14,712.28 and 5,881.26

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Solution

The fourth proportional to 10,661.32, 14,712.28 and 5,881.26 is: 8,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.32 : 14,712.28 = 5,881.26 : x
  2. Step 2: Convert to fraction form
    10,661.32/14,712.28 = 5,881.26/x
  3. Step 3: Cross multiply
    10,661.32x = 14,712.28 × 5,881.26
  4. Step 4: Simplify right side
    10,661.32x = 86,526,743.87
  5. Step 5: Solve for x
    x = 86,526,743.87/10,661.32
  6. Step 6: Final answer
    x = 8,115.95

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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.