Home / 10,081.10-13,896.68-7,092.20

Finding the Fourth Proportional to 10,081.10, 13,896.68 and 7,092.20

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Solution

The fourth proportional to 10,081.10, 13,896.68 and 7,092.20 is: 9,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.10 : 13,896.68 = 7,092.20 : x
  2. Step 2: Convert to fraction form
    10,081.10/13,896.68 = 7,092.20/x
  3. Step 3: Cross multiply
    10,081.10x = 13,896.68 × 7,092.20
  4. Step 4: Simplify right side
    10,081.10x = 98,557,928.95
  5. Step 5: Solve for x
    x = 98,557,928.95/10,081.10
  6. Step 6: Final answer
    x = 9,776.51

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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.