Home / 6,432.18-9,648.27-5,620.56

Finding the Fourth Proportional to 6,432.18, 9,648.27 and 5,620.56

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Solution

The fourth proportional to 6,432.18, 9,648.27 and 5,620.56 is: 8,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.18 : 9,648.27 = 5,620.56 : x
  2. Step 2: Convert to fraction form
    6,432.18/9,648.27 = 5,620.56/x
  3. Step 3: Cross multiply
    6,432.18x = 9,648.27 × 5,620.56
  4. Step 4: Simplify right side
    6,432.18x = 54,228,680.43
  5. Step 5: Solve for x
    x = 54,228,680.43/6,432.18
  6. Step 6: Final answer
    x = 8,430.84

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Half scale
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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.