Home / 8,913.32-12,287.56-6,252.48

Finding the Fourth Proportional to 8,913.32, 12,287.56 and 6,252.48

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Solution

The fourth proportional to 8,913.32, 12,287.56 and 6,252.48 is: 8,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.32 : 12,287.56 = 6,252.48 : x
  2. Step 2: Convert to fraction form
    8,913.32/12,287.56 = 6,252.48/x
  3. Step 3: Cross multiply
    8,913.32x = 12,287.56 × 6,252.48
  4. Step 4: Simplify right side
    8,913.32x = 76,827,723.15
  5. Step 5: Solve for x
    x = 76,827,723.15/8,913.32
  6. Step 6: Final answer
    x = 8,619.43

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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.