Home / 7,700.31-11,549.27-2,506.15

Finding the Fourth Proportional to 7,700.31, 11,549.27 and 2,506.15

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Solution

The fourth proportional to 7,700.31, 11,549.27 and 2,506.15 is: 3,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.31 : 11,549.27 = 2,506.15 : x
  2. Step 2: Convert to fraction form
    7,700.31/11,549.27 = 2,506.15/x
  3. Step 3: Cross multiply
    7,700.31x = 11,549.27 × 2,506.15
  4. Step 4: Simplify right side
    7,700.31x = 28,944,190.48
  5. Step 5: Solve for x
    x = 28,944,190.48/7,700.31
  6. Step 6: Final answer
    x = 3,758.83

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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.