Home / 11,505.02-15,882.26-8,673.53

Finding the Fourth Proportional to 11,505.02, 15,882.26 and 8,673.53

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Solution

The fourth proportional to 11,505.02, 15,882.26 and 8,673.53 is: 11,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.02 : 15,882.26 = 8,673.53 : x
  2. Step 2: Convert to fraction form
    11,505.02/15,882.26 = 8,673.53/x
  3. Step 3: Cross multiply
    11,505.02x = 15,882.26 × 8,673.53
  4. Step 4: Simplify right side
    11,505.02x = 137,755,135.80
  5. Step 5: Solve for x
    x = 137,755,135.80/11,505.02
  6. Step 6: Final answer
    x = 11,973.49

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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.