Home / 9,019.88-12,447.38-5,040.96

Finding the Fourth Proportional to 9,019.88, 12,447.38 and 5,040.96

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Solution

The fourth proportional to 9,019.88, 12,447.38 and 5,040.96 is: 6,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.88 : 12,447.38 = 5,040.96 : x
  2. Step 2: Convert to fraction form
    9,019.88/12,447.38 = 5,040.96/x
  3. Step 3: Cross multiply
    9,019.88x = 12,447.38 × 5,040.96
  4. Step 4: Simplify right side
    9,019.88x = 62,746,744.68
  5. Step 5: Solve for x
    x = 62,746,744.68/9,019.88
  6. Step 6: Final answer
    x = 6,956.49

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Half scale
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Double scale
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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.