Home / 7,581.56-11,372.28-2,316.56

Finding the Fourth Proportional to 7,581.56, 11,372.28 and 2,316.56

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Solution

The fourth proportional to 7,581.56, 11,372.28 and 2,316.56 is: 3,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.56 : 11,372.28 = 2,316.56 : x
  2. Step 2: Convert to fraction form
    7,581.56/11,372.28 = 2,316.56/x
  3. Step 3: Cross multiply
    7,581.56x = 11,372.28 × 2,316.56
  4. Step 4: Simplify right side
    7,581.56x = 26,344,568.96
  5. Step 5: Solve for x
    x = 26,344,568.96/7,581.56
  6. Step 6: Final answer
    x = 3,474.82

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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.