Home / 9,338.44-12,886.99-5,146.69

Finding the Fourth Proportional to 9,338.44, 12,886.99 and 5,146.69

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Solution

The fourth proportional to 9,338.44, 12,886.99 and 5,146.69 is: 7,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.44 : 12,886.99 = 5,146.69 : x
  2. Step 2: Convert to fraction form
    9,338.44/12,886.99 = 5,146.69/x
  3. Step 3: Cross multiply
    9,338.44x = 12,886.99 × 5,146.69
  4. Step 4: Simplify right side
    9,338.44x = 66,325,342.56
  5. Step 5: Solve for x
    x = 66,325,342.56/9,338.44
  6. Step 6: Final answer
    x = 7,102.40

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Half 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.