Home / 9,711.20-14,577.60-9,076.70

Finding the Fourth Proportional to 9,711.20, 14,577.60 and 9,076.70

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Solution

The fourth proportional to 9,711.20, 14,577.60 and 9,076.70 is: 13,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.20 : 14,577.60 = 9,076.70 : x
  2. Step 2: Convert to fraction form
    9,711.20/14,577.60 = 9,076.70/x
  3. Step 3: Cross multiply
    9,711.20x = 14,577.60 × 9,076.70
  4. Step 4: Simplify right side
    9,711.20x = 132,316,501.92
  5. Step 5: Solve for x
    x = 132,316,501.92/9,711.20
  6. Step 6: Final answer
    x = 13,625.14

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1.5x scale

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.