Home / 7,152.20-9,872.52-4,169.24

Finding the Fourth Proportional to 7,152.20, 9,872.52 and 4,169.24

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Solution

The fourth proportional to 7,152.20, 9,872.52 and 4,169.24 is: 5,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.20 : 9,872.52 = 4,169.24 : x
  2. Step 2: Convert to fraction form
    7,152.20/9,872.52 = 4,169.24/x
  3. Step 3: Cross multiply
    7,152.20x = 9,872.52 × 4,169.24
  4. Step 4: Simplify right side
    7,152.20x = 41,160,905.28
  5. Step 5: Solve for x
    x = 41,160,905.28/7,152.20
  6. Step 6: Final answer
    x = 5,755.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.