Home / 10,115.56-13,957.22-5,865.96

Finding the Fourth Proportional to 10,115.56, 13,957.22 and 5,865.96

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Solution

The fourth proportional to 10,115.56, 13,957.22 and 5,865.96 is: 8,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.56 : 13,957.22 = 5,865.96 : x
  2. Step 2: Convert to fraction form
    10,115.56/13,957.22 = 5,865.96/x
  3. Step 3: Cross multiply
    10,115.56x = 13,957.22 × 5,865.96
  4. Step 4: Simplify right side
    10,115.56x = 81,872,494.23
  5. Step 5: Solve for x
    x = 81,872,494.23/10,115.56
  6. Step 6: Final answer
    x = 8,093.72

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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.