Home / 8,908.25-12,293.42-5,371.61

Finding the Fourth Proportional to 8,908.25, 12,293.42 and 5,371.61

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Solution

The fourth proportional to 8,908.25, 12,293.42 and 5,371.61 is: 7,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.25 : 12,293.42 = 5,371.61 : x
  2. Step 2: Convert to fraction form
    8,908.25/12,293.42 = 5,371.61/x
  3. Step 3: Cross multiply
    8,908.25x = 12,293.42 × 5,371.61
  4. Step 4: Simplify right side
    8,908.25x = 66,035,430.95
  5. Step 5: Solve for x
    x = 66,035,430.95/8,908.25
  6. Step 6: Final answer
    x = 7,412.84

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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.