Home / 10,113.87-13,957.17-5,865.75

Finding the Fourth Proportional to 10,113.87, 13,957.17 and 5,865.75

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Solution

The fourth proportional to 10,113.87, 13,957.17 and 5,865.75 is: 8,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.87 : 13,957.17 = 5,865.75 : x
  2. Step 2: Convert to fraction form
    10,113.87/13,957.17 = 5,865.75/x
  3. Step 3: Cross multiply
    10,113.87x = 13,957.17 × 5,865.75
  4. Step 4: Simplify right side
    10,113.87x = 81,869,269.93
  5. Step 5: Solve for x
    x = 81,869,269.93/10,113.87
  6. Step 6: Final answer
    x = 8,094.75

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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.