Home / 10,295.20-15,442.82-2,899.66

Finding the Fourth Proportional to 10,295.20, 15,442.82 and 2,899.66

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Solution

The fourth proportional to 10,295.20, 15,442.82 and 2,899.66 is: 4,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.20 : 15,442.82 = 2,899.66 : x
  2. Step 2: Convert to fraction form
    10,295.20/15,442.82 = 2,899.66/x
  3. Step 3: Cross multiply
    10,295.20x = 15,442.82 × 2,899.66
  4. Step 4: Simplify right side
    10,295.20x = 44,778,927.44
  5. Step 5: Solve for x
    x = 44,778,927.44/10,295.20
  6. Step 6: Final answer
    x = 4,349.50

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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.