Home / 7,423.47-11,134.01-2,745.70

Finding the Fourth Proportional to 7,423.47, 11,134.01 and 2,745.70

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Solution

The fourth proportional to 7,423.47, 11,134.01 and 2,745.70 is: 4,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.47 : 11,134.01 = 2,745.70 : x
  2. Step 2: Convert to fraction form
    7,423.47/11,134.01 = 2,745.70/x
  3. Step 3: Cross multiply
    7,423.47x = 11,134.01 × 2,745.70
  4. Step 4: Simplify right side
    7,423.47x = 30,570,630.29
  5. Step 5: Solve for x
    x = 30,570,630.29/7,423.47
  6. Step 6: Final answer
    x = 4,118.11

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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.