Home / 10,975.14-15,149.10-6,262.56

Finding the Fourth Proportional to 10,975.14, 15,149.10 and 6,262.56

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Solution

The fourth proportional to 10,975.14, 15,149.10 and 6,262.56 is: 8,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.14 : 15,149.10 = 6,262.56 : x
  2. Step 2: Convert to fraction form
    10,975.14/15,149.10 = 6,262.56/x
  3. Step 3: Cross multiply
    10,975.14x = 15,149.10 × 6,262.56
  4. Step 4: Simplify right side
    10,975.14x = 94,872,147.70
  5. Step 5: Solve for x
    x = 94,872,147.70/10,975.14
  6. Step 6: Final answer
    x = 8,644.28

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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.