Home / 10,532.88-14,517.36-8,170.56

Finding the Fourth Proportional to 10,532.88, 14,517.36 and 8,170.56

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Solution

The fourth proportional to 10,532.88, 14,517.36 and 8,170.56 is: 11,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.88 : 14,517.36 = 8,170.56 : x
  2. Step 2: Convert to fraction form
    10,532.88/14,517.36 = 8,170.56/x
  3. Step 3: Cross multiply
    10,532.88x = 14,517.36 × 8,170.56
  4. Step 4: Simplify right side
    10,532.88x = 118,614,960.92
  5. Step 5: Solve for x
    x = 118,614,960.92/10,532.88
  6. Step 6: Final answer
    x = 11,261.40

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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.