Home / 12,464.28-17,193.06-8,487.18

Finding the Fourth Proportional to 12,464.28, 17,193.06 and 8,487.18

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Solution

The fourth proportional to 12,464.28, 17,193.06 and 8,487.18 is: 11,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.28 : 17,193.06 = 8,487.18 : x
  2. Step 2: Convert to fraction form
    12,464.28/17,193.06 = 8,487.18/x
  3. Step 3: Cross multiply
    12,464.28x = 17,193.06 × 8,487.18
  4. Step 4: Simplify right side
    12,464.28x = 145,920,594.97
  5. Step 5: Solve for x
    x = 145,920,594.97/12,464.28
  6. Step 6: Final answer
    x = 11,707.10

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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.