Home / 9,043.38-12,479.40-5,266.26

Finding the Fourth Proportional to 9,043.38, 12,479.40 and 5,266.26

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Solution

The fourth proportional to 9,043.38, 12,479.40 and 5,266.26 is: 7,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.38 : 12,479.40 = 5,266.26 : x
  2. Step 2: Convert to fraction form
    9,043.38/12,479.40 = 5,266.26/x
  3. Step 3: Cross multiply
    9,043.38x = 12,479.40 × 5,266.26
  4. Step 4: Simplify right side
    9,043.38x = 65,719,765.04
  5. Step 5: Solve for x
    x = 65,719,765.04/9,043.38
  6. Step 6: Final answer
    x = 7,267.17

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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.