Home / 8,167.93-11,275.19-5,518.92

Finding the Fourth Proportional to 8,167.93, 11,275.19 and 5,518.92

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Solution

The fourth proportional to 8,167.93, 11,275.19 and 5,518.92 is: 7,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.93 : 11,275.19 = 5,518.92 : x
  2. Step 2: Convert to fraction form
    8,167.93/11,275.19 = 5,518.92/x
  3. Step 3: Cross multiply
    8,167.93x = 11,275.19 × 5,518.92
  4. Step 4: Simplify right side
    8,167.93x = 62,226,871.59
  5. Step 5: Solve for x
    x = 62,226,871.59/8,167.93
  6. Step 6: Final answer
    x = 7,618.44

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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.