Home / 8,870.85-13,308.42-3,324.25

Finding the Fourth Proportional to 8,870.85, 13,308.42 and 3,324.25

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Solution

The fourth proportional to 8,870.85, 13,308.42 and 3,324.25 is: 4,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.85 : 13,308.42 = 3,324.25 : x
  2. Step 2: Convert to fraction form
    8,870.85/13,308.42 = 3,324.25/x
  3. Step 3: Cross multiply
    8,870.85x = 13,308.42 × 3,324.25
  4. Step 4: Simplify right side
    8,870.85x = 44,240,494.38
  5. Step 5: Solve for x
    x = 44,240,494.38/8,870.85
  6. Step 6: Final answer
    x = 4,987.17

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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.