Home / 10,194.26-15,294.12-8,122.07

Finding the Fourth Proportional to 10,194.26, 15,294.12 and 8,122.07

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Solution

The fourth proportional to 10,194.26, 15,294.12 and 8,122.07 is: 12,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.26 : 15,294.12 = 8,122.07 : x
  2. Step 2: Convert to fraction form
    10,194.26/15,294.12 = 8,122.07/x
  3. Step 3: Cross multiply
    10,194.26x = 15,294.12 × 8,122.07
  4. Step 4: Simplify right side
    10,194.26x = 124,219,921.01
  5. Step 5: Solve for x
    x = 124,219,921.01/10,194.26
  6. Step 6: Final answer
    x = 12,185.29

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1.5x scale

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.