Home / 8,454.48-12,681.72-3,526.44

Finding the Fourth Proportional to 8,454.48, 12,681.72 and 3,526.44

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Solution

The fourth proportional to 8,454.48, 12,681.72 and 3,526.44 is: 5,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.48 : 12,681.72 = 3,526.44 : x
  2. Step 2: Convert to fraction form
    8,454.48/12,681.72 = 3,526.44/x
  3. Step 3: Cross multiply
    8,454.48x = 12,681.72 × 3,526.44
  4. Step 4: Simplify right side
    8,454.48x = 44,721,324.68
  5. Step 5: Solve for x
    x = 44,721,324.68/8,454.48
  6. Step 6: Final answer
    x = 5,289.66

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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.