Home / 8,392.32-11,562.84-6,151.68

Finding the Fourth Proportional to 8,392.32, 11,562.84 and 6,151.68

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Solution

The fourth proportional to 8,392.32, 11,562.84 and 6,151.68 is: 8,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.32 : 11,562.84 = 6,151.68 : x
  2. Step 2: Convert to fraction form
    8,392.32/11,562.84 = 6,151.68/x
  3. Step 3: Cross multiply
    8,392.32x = 11,562.84 × 6,151.68
  4. Step 4: Simplify right side
    8,392.32x = 71,130,891.57
  5. Step 5: Solve for x
    x = 71,130,891.57/8,392.32
  6. Step 6: Final answer
    x = 8,475.71

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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.