Home / 7,411.39-11,117.10-3,028.85

Finding the Fourth Proportional to 7,411.39, 11,117.10 and 3,028.85

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Solution

The fourth proportional to 7,411.39, 11,117.10 and 3,028.85 is: 4,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.39 : 11,117.10 = 3,028.85 : x
  2. Step 2: Convert to fraction form
    7,411.39/11,117.10 = 3,028.85/x
  3. Step 3: Cross multiply
    7,411.39x = 11,117.10 × 3,028.85
  4. Step 4: Simplify right side
    7,411.39x = 33,671,972.75
  5. Step 5: Solve for x
    x = 33,671,972.75/7,411.39
  6. Step 6: Final answer
    x = 4,543.27

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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.