Home / 7,561.76-11,343.21-2,015.08

Finding the Fourth Proportional to 7,561.76, 11,343.21 and 2,015.08

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Solution

The fourth proportional to 7,561.76, 11,343.21 and 2,015.08 is: 3,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.76 : 11,343.21 = 2,015.08 : x
  2. Step 2: Convert to fraction form
    7,561.76/11,343.21 = 2,015.08/x
  3. Step 3: Cross multiply
    7,561.76x = 11,343.21 × 2,015.08
  4. Step 4: Simplify right side
    7,561.76x = 22,857,475.61
  5. Step 5: Solve for x
    x = 22,857,475.61/7,561.76
  6. Step 6: Final answer
    x = 3,022.77

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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.