Home / 8,758.14-12,087.18-5,400.24

Finding the Fourth Proportional to 8,758.14, 12,087.18 and 5,400.24

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Solution

The fourth proportional to 8,758.14, 12,087.18 and 5,400.24 is: 7,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.14 : 12,087.18 = 5,400.24 : x
  2. Step 2: Convert to fraction form
    8,758.14/12,087.18 = 5,400.24/x
  3. Step 3: Cross multiply
    8,758.14x = 12,087.18 × 5,400.24
  4. Step 4: Simplify right side
    8,758.14x = 65,273,672.92
  5. Step 5: Solve for x
    x = 65,273,672.92/8,758.14
  6. Step 6: Final answer
    x = 7,452.91

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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.