Home / 9,091.11-12,544.29-5,313.69

Finding the Fourth Proportional to 9,091.11, 12,544.29 and 5,313.69

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Solution

The fourth proportional to 9,091.11, 12,544.29 and 5,313.69 is: 7,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.11 : 12,544.29 = 5,313.69 : x
  2. Step 2: Convert to fraction form
    9,091.11/12,544.29 = 5,313.69/x
  3. Step 3: Cross multiply
    9,091.11x = 12,544.29 × 5,313.69
  4. Step 4: Simplify right side
    9,091.11x = 66,656,468.33
  5. Step 5: Solve for x
    x = 66,656,468.33/9,091.11
  6. Step 6: Final answer
    x = 7,332.05

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.