Home / 9,442.80-14,164.20-6,490.35

Finding the Fourth Proportional to 9,442.80, 14,164.20 and 6,490.35

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Solution

The fourth proportional to 9,442.80, 14,164.20 and 6,490.35 is: 9,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.80 : 14,164.20 = 6,490.35 : x
  2. Step 2: Convert to fraction form
    9,442.80/14,164.20 = 6,490.35/x
  3. Step 3: Cross multiply
    9,442.80x = 14,164.20 × 6,490.35
  4. Step 4: Simplify right side
    9,442.80x = 91,930,615.47
  5. Step 5: Solve for x
    x = 91,930,615.47/9,442.80
  6. Step 6: Final answer
    x = 9,735.53

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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.