Home / 8,711.76-12,025.20-5,883.36

Finding the Fourth Proportional to 8,711.76, 12,025.20 and 5,883.36

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Solution

The fourth proportional to 8,711.76, 12,025.20 and 5,883.36 is: 8,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.76 : 12,025.20 = 5,883.36 : x
  2. Step 2: Convert to fraction form
    8,711.76/12,025.20 = 5,883.36/x
  3. Step 3: Cross multiply
    8,711.76x = 12,025.20 × 5,883.36
  4. Step 4: Simplify right side
    8,711.76x = 70,748,580.67
  5. Step 5: Solve for x
    x = 70,748,580.67/8,711.76
  6. Step 6: Final answer
    x = 8,121.04

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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.