Home / 7,427.11-11,140.11-2,744.93

Finding the Fourth Proportional to 7,427.11, 11,140.11 and 2,744.93

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Solution

The fourth proportional to 7,427.11, 11,140.11 and 2,744.93 is: 4,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.11 : 11,140.11 = 2,744.93 : x
  2. Step 2: Convert to fraction form
    7,427.11/11,140.11 = 2,744.93/x
  3. Step 3: Cross multiply
    7,427.11x = 11,140.11 × 2,744.93
  4. Step 4: Simplify right side
    7,427.11x = 30,578,856.85
  5. Step 5: Solve for x
    x = 30,578,856.85/7,427.11
  6. Step 6: Final answer
    x = 4,117.20

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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.