Home / 11,167.93-15,422.12-7,195.93

Finding the Fourth Proportional to 11,167.93, 15,422.12 and 7,195.93

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Solution

The fourth proportional to 11,167.93, 15,422.12 and 7,195.93 is: 9,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.93 : 15,422.12 = 7,195.93 : x
  2. Step 2: Convert to fraction form
    11,167.93/15,422.12 = 7,195.93/x
  3. Step 3: Cross multiply
    11,167.93x = 15,422.12 × 7,195.93
  4. Step 4: Simplify right side
    11,167.93x = 110,976,495.97
  5. Step 5: Solve for x
    x = 110,976,495.97/11,167.93
  6. Step 6: Final answer
    x = 9,937.07

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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.