Home / 6,117.12-9,169.98-2,220.48

Finding the Fourth Proportional to 6,117.12, 9,169.98 and 2,220.48

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Solution

The fourth proportional to 6,117.12, 9,169.98 and 2,220.48 is: 3,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.12 : 9,169.98 = 2,220.48 : x
  2. Step 2: Convert to fraction form
    6,117.12/9,169.98 = 2,220.48/x
  3. Step 3: Cross multiply
    6,117.12x = 9,169.98 × 2,220.48
  4. Step 4: Simplify right side
    6,117.12x = 20,361,757.19
  5. Step 5: Solve for x
    x = 20,361,757.19/6,117.12
  6. Step 6: Final answer
    x = 3,328.65

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1.5x scale

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.