Home / 9,091.13-12,545.68-5,112.27

Finding the Fourth Proportional to 9,091.13, 12,545.68 and 5,112.27

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Solution

The fourth proportional to 9,091.13, 12,545.68 and 5,112.27 is: 7,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.13 : 12,545.68 = 5,112.27 : x
  2. Step 2: Convert to fraction form
    9,091.13/12,545.68 = 5,112.27/x
  3. Step 3: Cross multiply
    9,091.13x = 12,545.68 × 5,112.27
  4. Step 4: Simplify right side
    9,091.13x = 64,136,815.20
  5. Step 5: Solve for x
    x = 64,136,815.20/9,091.13
  6. Step 6: Final answer
    x = 7,054.88

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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.