Home / 10,379.46-15,568.04-3,715.70

Finding the Fourth Proportional to 10,379.46, 15,568.04 and 3,715.70

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Solution

The fourth proportional to 10,379.46, 15,568.04 and 3,715.70 is: 5,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.46 : 15,568.04 = 3,715.70 : x
  2. Step 2: Convert to fraction form
    10,379.46/15,568.04 = 3,715.70/x
  3. Step 3: Cross multiply
    10,379.46x = 15,568.04 × 3,715.70
  4. Step 4: Simplify right side
    10,379.46x = 57,846,069.81
  5. Step 5: Solve for x
    x = 57,846,069.81/10,379.46
  6. Step 6: Final answer
    x = 5,573.13

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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.