Home / 9,715.92-13,409.16-5,524.56

Finding the Fourth Proportional to 9,715.92, 13,409.16 and 5,524.56

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Solution

The fourth proportional to 9,715.92, 13,409.16 and 5,524.56 is: 7,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.92 : 13,409.16 = 5,524.56 : x
  2. Step 2: Convert to fraction form
    9,715.92/13,409.16 = 5,524.56/x
  3. Step 3: Cross multiply
    9,715.92x = 13,409.16 × 5,524.56
  4. Step 4: Simplify right side
    9,715.92x = 74,079,708.97
  5. Step 5: Solve for x
    x = 74,079,708.97/9,715.92
  6. Step 6: Final answer
    x = 7,624.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.