Home / 10,252.20-15,356.70-8,524.20

Finding the Fourth Proportional to 10,252.20, 15,356.70 and 8,524.20

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Solution

The fourth proportional to 10,252.20, 15,356.70 and 8,524.20 is: 12,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.20 : 15,356.70 = 8,524.20 : x
  2. Step 2: Convert to fraction form
    10,252.20/15,356.70 = 8,524.20/x
  3. Step 3: Cross multiply
    10,252.20x = 15,356.70 × 8,524.20
  4. Step 4: Simplify right side
    10,252.20x = 130,903,582.14
  5. Step 5: Solve for x
    x = 130,903,582.14/10,252.20
  6. Step 6: Final answer
    x = 12,768.34

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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.