Home / 11,254.66-15,531.90-7,008.24

Finding the Fourth Proportional to 11,254.66, 15,531.90 and 7,008.24

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Solution

The fourth proportional to 11,254.66, 15,531.90 and 7,008.24 is: 9,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.66 : 15,531.90 = 7,008.24 : x
  2. Step 2: Convert to fraction form
    11,254.66/15,531.90 = 7,008.24/x
  3. Step 3: Cross multiply
    11,254.66x = 15,531.90 × 7,008.24
  4. Step 4: Simplify right side
    11,254.66x = 108,851,282.86
  5. Step 5: Solve for x
    x = 108,851,282.86/11,254.66
  6. Step 6: Final answer
    x = 9,671.66

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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.