Home / 10,191.36-15,287.85-4,348.02

Finding the Fourth Proportional to 10,191.36, 15,287.85 and 4,348.02

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Solution

The fourth proportional to 10,191.36, 15,287.85 and 4,348.02 is: 6,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.36 : 15,287.85 = 4,348.02 : x
  2. Step 2: Convert to fraction form
    10,191.36/15,287.85 = 4,348.02/x
  3. Step 3: Cross multiply
    10,191.36x = 15,287.85 × 4,348.02
  4. Step 4: Simplify right side
    10,191.36x = 66,471,877.56
  5. Step 5: Solve for x
    x = 66,471,877.56/10,191.36
  6. Step 6: Final answer
    x = 6,522.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.