Home / 11,515.02-17,188.46-9,882.06

Finding the Fourth Proportional to 11,515.02, 17,188.46 and 9,882.06

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Solution

The fourth proportional to 11,515.02, 17,188.46 and 9,882.06 is: 14,750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.02 : 17,188.46 = 9,882.06 : x
  2. Step 2: Convert to fraction form
    11,515.02/17,188.46 = 9,882.06/x
  3. Step 3: Cross multiply
    11,515.02x = 17,188.46 × 9,882.06
  4. Step 4: Simplify right side
    11,515.02x = 169,857,343.62
  5. Step 5: Solve for x
    x = 169,857,343.62/11,515.02
  6. Step 6: Final answer
    x = 14,750.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.