Home / 7,517.54-10,378.38-4,534.13

Finding the Fourth Proportional to 7,517.54, 10,378.38 and 4,534.13

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Solution

The fourth proportional to 7,517.54, 10,378.38 and 4,534.13 is: 6,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.54 : 10,378.38 = 4,534.13 : x
  2. Step 2: Convert to fraction form
    7,517.54/10,378.38 = 4,534.13/x
  3. Step 3: Cross multiply
    7,517.54x = 10,378.38 × 4,534.13
  4. Step 4: Simplify right side
    7,517.54x = 47,056,872.22
  5. Step 5: Solve for x
    x = 47,056,872.22/7,517.54
  6. Step 6: Final answer
    x = 6,259.61

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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.