Home / 10,957.98-15,122.62-6,241.36

Finding the Fourth Proportional to 10,957.98, 15,122.62 and 6,241.36

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Solution

The fourth proportional to 10,957.98, 15,122.62 and 6,241.36 is: 8,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.98 : 15,122.62 = 6,241.36 : x
  2. Step 2: Convert to fraction form
    10,957.98/15,122.62 = 6,241.36/x
  3. Step 3: Cross multiply
    10,957.98x = 15,122.62 × 6,241.36
  4. Step 4: Simplify right side
    10,957.98x = 94,385,715.56
  5. Step 5: Solve for x
    x = 94,385,715.56/10,957.98
  6. Step 6: Final answer
    x = 8,613.42

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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.