Home / 8,972.80-13,451.84-4,040.96

Finding the Fourth Proportional to 8,972.80, 13,451.84 and 4,040.96

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Solution

The fourth proportional to 8,972.80, 13,451.84 and 4,040.96 is: 6,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.80 : 13,451.84 = 4,040.96 : x
  2. Step 2: Convert to fraction form
    8,972.80/13,451.84 = 4,040.96/x
  3. Step 3: Cross multiply
    8,972.80x = 13,451.84 × 4,040.96
  4. Step 4: Simplify right side
    8,972.80x = 54,358,347.37
  5. Step 5: Solve for x
    x = 54,358,347.37/8,972.80
  6. Step 6: Final answer
    x = 6,058.13

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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.