Home / 7,480.23-11,220.35-2,286.06

Finding the Fourth Proportional to 7,480.23, 11,220.35 and 2,286.06

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Solution

The fourth proportional to 7,480.23, 11,220.35 and 2,286.06 is: 3,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.23 : 11,220.35 = 2,286.06 : x
  2. Step 2: Convert to fraction form
    7,480.23/11,220.35 = 2,286.06/x
  3. Step 3: Cross multiply
    7,480.23x = 11,220.35 × 2,286.06
  4. Step 4: Simplify right side
    7,480.23x = 25,650,381.89
  5. Step 5: Solve for x
    x = 25,650,381.89/7,480.23
  6. Step 6: Final answer
    x = 3,429.09

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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.