Home / 10,116.87-13,961.31-5,868.75

Finding the Fourth Proportional to 10,116.87, 13,961.31 and 5,868.75

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Solution

The fourth proportional to 10,116.87, 13,961.31 and 5,868.75 is: 8,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.87 : 13,961.31 = 5,868.75 : x
  2. Step 2: Convert to fraction form
    10,116.87/13,961.31 = 5,868.75/x
  3. Step 3: Cross multiply
    10,116.87x = 13,961.31 × 5,868.75
  4. Step 4: Simplify right side
    10,116.87x = 81,935,438.06
  5. Step 5: Solve for x
    x = 81,935,438.06/10,116.87
  6. Step 6: Final answer
    x = 8,098.89

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1.5x scale

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.