Home / 7,516.57-10,372.77-4,113.61

Finding the Fourth Proportional to 7,516.57, 10,372.77 and 4,113.61

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Solution

The fourth proportional to 7,516.57, 10,372.77 and 4,113.61 is: 5,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.57 : 10,372.77 = 4,113.61 : x
  2. Step 2: Convert to fraction form
    7,516.57/10,372.77 = 4,113.61/x
  3. Step 3: Cross multiply
    7,516.57x = 10,372.77 × 4,113.61
  4. Step 4: Simplify right side
    7,516.57x = 42,669,530.40
  5. Step 5: Solve for x
    x = 42,669,530.40/7,516.57
  6. Step 6: Final answer
    x = 5,676.73

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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.