Home / 9,649.20-14,452.20-7,450.80

Finding the Fourth Proportional to 9,649.20, 14,452.20 and 7,450.80

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Solution

The fourth proportional to 9,649.20, 14,452.20 and 7,450.80 is: 11,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,649.20 : 14,452.20 = 7,450.80 : x
  2. Step 2: Convert to fraction form
    9,649.20/14,452.20 = 7,450.80/x
  3. Step 3: Cross multiply
    9,649.20x = 14,452.20 × 7,450.80
  4. Step 4: Simplify right side
    9,649.20x = 107,680,451.76
  5. Step 5: Solve for x
    x = 107,680,451.76/9,649.20
  6. Step 6: Final answer
    x = 11,159.52

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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.