Home / 8,154.74-11,253.58-4,618.64

Finding the Fourth Proportional to 8,154.74, 11,253.58 and 4,618.64

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Solution

The fourth proportional to 8,154.74, 11,253.58 and 4,618.64 is: 6,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.74 : 11,253.58 = 4,618.64 : x
  2. Step 2: Convert to fraction form
    8,154.74/11,253.58 = 4,618.64/x
  3. Step 3: Cross multiply
    8,154.74x = 11,253.58 × 4,618.64
  4. Step 4: Simplify right side
    8,154.74x = 51,976,234.73
  5. Step 5: Solve for x
    x = 51,976,234.73/8,154.74
  6. Step 6: Final answer
    x = 6,373.75

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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.