Home / 9,191.16-13,789.81-3,646.10

Finding the Fourth Proportional to 9,191.16, 13,789.81 and 3,646.10

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Solution

The fourth proportional to 9,191.16, 13,789.81 and 3,646.10 is: 5,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.16 : 13,789.81 = 3,646.10 : x
  2. Step 2: Convert to fraction form
    9,191.16/13,789.81 = 3,646.10/x
  3. Step 3: Cross multiply
    9,191.16x = 13,789.81 × 3,646.10
  4. Step 4: Simplify right side
    9,191.16x = 50,279,026.24
  5. Step 5: Solve for x
    x = 50,279,026.24/9,191.16
  6. Step 6: Final answer
    x = 5,470.37

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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.