Home / 10,375.91-14,318.75-5,660.19

Finding the Fourth Proportional to 10,375.91, 14,318.75 and 5,660.19

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Solution

The fourth proportional to 10,375.91, 14,318.75 and 5,660.19 is: 7,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.91 : 14,318.75 = 5,660.19 : x
  2. Step 2: Convert to fraction form
    10,375.91/14,318.75 = 5,660.19/x
  3. Step 3: Cross multiply
    10,375.91x = 14,318.75 × 5,660.19
  4. Step 4: Simplify right side
    10,375.91x = 81,046,845.56
  5. Step 5: Solve for x
    x = 81,046,845.56/10,375.91
  6. Step 6: Final answer
    x = 7,811.06

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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.