Home / 10,932.20-16,418.10-9,571.40

Finding the Fourth Proportional to 10,932.20, 16,418.10 and 9,571.40

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Solution

The fourth proportional to 10,932.20, 16,418.10 and 9,571.40 is: 14,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.20 : 16,418.10 = 9,571.40 : x
  2. Step 2: Convert to fraction form
    10,932.20/16,418.10 = 9,571.40/x
  3. Step 3: Cross multiply
    10,932.20x = 16,418.10 × 9,571.40
  4. Step 4: Simplify right side
    10,932.20x = 157,144,202.34
  5. Step 5: Solve for x
    x = 157,144,202.34/10,932.20
  6. Step 6: Final answer
    x = 14,374.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.