Home / 12,486.02-17,232.21-8,008.13

Finding the Fourth Proportional to 12,486.02, 17,232.21 and 8,008.13

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Solution

The fourth proportional to 12,486.02, 17,232.21 and 8,008.13 is: 11,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.02 : 17,232.21 = 8,008.13 : x
  2. Step 2: Convert to fraction form
    12,486.02/17,232.21 = 8,008.13/x
  3. Step 3: Cross multiply
    12,486.02x = 17,232.21 × 8,008.13
  4. Step 4: Simplify right side
    12,486.02x = 137,997,691.71
  5. Step 5: Solve for x
    x = 137,997,691.71/12,486.02
  6. Step 6: Final answer
    x = 11,052.18

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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.