Home / 8,458.12-11,672.22-4,732.12

Finding the Fourth Proportional to 8,458.12, 11,672.22 and 4,732.12

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Solution

The fourth proportional to 8,458.12, 11,672.22 and 4,732.12 is: 6,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.12 : 11,672.22 = 4,732.12 : x
  2. Step 2: Convert to fraction form
    8,458.12/11,672.22 = 4,732.12/x
  3. Step 3: Cross multiply
    8,458.12x = 11,672.22 × 4,732.12
  4. Step 4: Simplify right side
    8,458.12x = 55,234,345.71
  5. Step 5: Solve for x
    x = 55,234,345.71/8,458.12
  6. Step 6: Final answer
    x = 6,530.33

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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.