Home / 9,231.03-13,847.76-2,988.90

Finding the Fourth Proportional to 9,231.03, 13,847.76 and 2,988.90

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Solution

The fourth proportional to 9,231.03, 13,847.76 and 2,988.90 is: 4,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.03 : 13,847.76 = 2,988.90 : x
  2. Step 2: Convert to fraction form
    9,231.03/13,847.76 = 2,988.90/x
  3. Step 3: Cross multiply
    9,231.03x = 13,847.76 × 2,988.90
  4. Step 4: Simplify right side
    9,231.03x = 41,389,569.86
  5. Step 5: Solve for x
    x = 41,389,569.86/9,231.03
  6. Step 6: Final answer
    x = 4,483.74

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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.