Home / 9,052.55-13,578.82-2,478.79

Finding the Fourth Proportional to 9,052.55, 13,578.82 and 2,478.79

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Solution

The fourth proportional to 9,052.55, 13,578.82 and 2,478.79 is: 3,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052.55 : 13,578.82 = 2,478.79 : x
  2. Step 2: Convert to fraction form
    9,052.55/13,578.82 = 2,478.79/x
  3. Step 3: Cross multiply
    9,052.55x = 13,578.82 × 2,478.79
  4. Step 4: Simplify right side
    9,052.55x = 33,659,043.23
  5. Step 5: Solve for x
    x = 33,659,043.23/9,052.55
  6. Step 6: Final answer
    x = 3,718.18

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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.