Home / 23,120.87-34,687.18-6,480.97

Finding the Fourth Proportional to 23,120.87, 34,687.18 and 6,480.97

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Solution

The fourth proportional to 23,120.87, 34,687.18 and 6,480.97 is: 9,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.87 : 34,687.18 = 6,480.97 : x
  2. Step 2: Convert to fraction form
    23,120.87/34,687.18 = 6,480.97/x
  3. Step 3: Cross multiply
    23,120.87x = 34,687.18 × 6,480.97
  4. Step 4: Simplify right side
    23,120.87x = 224,806,643.48
  5. Step 5: Solve for x
    x = 224,806,643.48/23,120.87
  6. Step 6: Final answer
    x = 9,723.10

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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.