Home / 8,908.48-12,294.24-5,371.84

Finding the Fourth Proportional to 8,908.48, 12,294.24 and 5,371.84

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Solution

The fourth proportional to 8,908.48, 12,294.24 and 5,371.84 is: 7,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.48 : 12,294.24 = 5,371.84 : x
  2. Step 2: Convert to fraction form
    8,908.48/12,294.24 = 5,371.84/x
  3. Step 3: Cross multiply
    8,908.48x = 12,294.24 × 5,371.84
  4. Step 4: Simplify right side
    8,908.48x = 66,042,690.20
  5. Step 5: Solve for x
    x = 66,042,690.20/8,908.48
  6. Step 6: Final answer
    x = 7,413.46

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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.