Home / 8,006.25-11,048.56-4,421.21

Finding the Fourth Proportional to 8,006.25, 11,048.56 and 4,421.21

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Solution

The fourth proportional to 8,006.25, 11,048.56 and 4,421.21 is: 6,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.25 : 11,048.56 = 4,421.21 : x
  2. Step 2: Convert to fraction form
    8,006.25/11,048.56 = 4,421.21/x
  3. Step 3: Cross multiply
    8,006.25x = 11,048.56 × 4,421.21
  4. Step 4: Simplify right side
    8,006.25x = 48,847,995.67
  5. Step 5: Solve for x
    x = 48,847,995.67/8,006.25
  6. Step 6: Final answer
    x = 6,101.23

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.