Home / 8,055.80-11,126.01-5,545.61

Finding the Fourth Proportional to 8,055.80, 11,126.01 and 5,545.61

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Solution

The fourth proportional to 8,055.80, 11,126.01 and 5,545.61 is: 7,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.80 : 11,126.01 = 5,545.61 : x
  2. Step 2: Convert to fraction form
    8,055.80/11,126.01 = 5,545.61/x
  3. Step 3: Cross multiply
    8,055.80x = 11,126.01 × 5,545.61
  4. Step 4: Simplify right side
    8,055.80x = 61,700,512.32
  5. Step 5: Solve for x
    x = 61,700,512.32/8,055.80
  6. Step 6: Final answer
    x = 7,659.14

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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.