Home / 7,244.25-9,996.71-4,449.21

Finding the Fourth Proportional to 7,244.25, 9,996.71 and 4,449.21

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Solution

The fourth proportional to 7,244.25, 9,996.71 and 4,449.21 is: 6,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.25 : 9,996.71 = 4,449.21 : x
  2. Step 2: Convert to fraction form
    7,244.25/9,996.71 = 4,449.21/x
  3. Step 3: Cross multiply
    7,244.25x = 9,996.71 × 4,449.21
  4. Step 4: Simplify right side
    7,244.25x = 44,477,462.10
  5. Step 5: Solve for x
    x = 44,477,462.10/7,244.25
  6. Step 6: Final answer
    x = 6,139.69

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Half scale
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Similar ratio
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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.