Home / 10,942.26-15,095.07-7,164.06

Finding the Fourth Proportional to 10,942.26, 15,095.07 and 7,164.06

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Solution

The fourth proportional to 10,942.26, 15,095.07 and 7,164.06 is: 9,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.26 : 15,095.07 = 7,164.06 : x
  2. Step 2: Convert to fraction form
    10,942.26/15,095.07 = 7,164.06/x
  3. Step 3: Cross multiply
    10,942.26x = 15,095.07 × 7,164.06
  4. Step 4: Simplify right side
    10,942.26x = 108,141,987.18
  5. Step 5: Solve for x
    x = 108,141,987.18/10,942.26
  6. Step 6: Final answer
    x = 9,882.97

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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.