Home / 8,981.36-13,471.44-3,357.92

Finding the Fourth Proportional to 8,981.36, 13,471.44 and 3,357.92

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Solution

The fourth proportional to 8,981.36, 13,471.44 and 3,357.92 is: 5,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.36 : 13,471.44 = 3,357.92 : x
  2. Step 2: Convert to fraction form
    8,981.36/13,471.44 = 3,357.92/x
  3. Step 3: Cross multiply
    8,981.36x = 13,471.44 × 3,357.92
  4. Step 4: Simplify right side
    8,981.36x = 45,236,017.80
  5. Step 5: Solve for x
    x = 45,236,017.80/8,981.36
  6. Step 6: Final answer
    x = 5,036.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.