Home / 8,316.27-11,479.12-4,781.84

Finding the Fourth Proportional to 8,316.27, 11,479.12 and 4,781.84

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Solution

The fourth proportional to 8,316.27, 11,479.12 and 4,781.84 is: 6,600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.27 : 11,479.12 = 4,781.84 : x
  2. Step 2: Convert to fraction form
    8,316.27/11,479.12 = 4,781.84/x
  3. Step 3: Cross multiply
    8,316.27x = 11,479.12 × 4,781.84
  4. Step 4: Simplify right side
    8,316.27x = 54,891,245.83
  5. Step 5: Solve for x
    x = 54,891,245.83/8,316.27
  6. Step 6: Final answer
    x = 6,600.46

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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.