Home / 9,440.90-13,029.12-5,249.18

Finding the Fourth Proportional to 9,440.90, 13,029.12 and 5,249.18

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Solution

The fourth proportional to 9,440.90, 13,029.12 and 5,249.18 is: 7,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.90 : 13,029.12 = 5,249.18 : x
  2. Step 2: Convert to fraction form
    9,440.90/13,029.12 = 5,249.18/x
  3. Step 3: Cross multiply
    9,440.90x = 13,029.12 × 5,249.18
  4. Step 4: Simplify right side
    9,440.90x = 68,392,196.12
  5. Step 5: Solve for x
    x = 68,392,196.12/9,440.90
  6. Step 6: Final answer
    x = 7,244.25

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Half scale
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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.