Home / 9,408.30-14,112.45-9,043.80

Finding the Fourth Proportional to 9,408.30, 14,112.45 and 9,043.80

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Solution

The fourth proportional to 9,408.30, 14,112.45 and 9,043.80 is: 13,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.30 : 14,112.45 = 9,043.80 : x
  2. Step 2: Convert to fraction form
    9,408.30/14,112.45 = 9,043.80/x
  3. Step 3: Cross multiply
    9,408.30x = 14,112.45 × 9,043.80
  4. Step 4: Simplify right side
    9,408.30x = 127,630,175.31
  5. Step 5: Solve for x
    x = 127,630,175.31/9,408.30
  6. Step 6: Final answer
    x = 13,565.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

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