Home / 9,439.12-13,022.94-5,246.56

Finding the Fourth Proportional to 9,439.12, 13,022.94 and 5,246.56

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Solution

The fourth proportional to 9,439.12, 13,022.94 and 5,246.56 is: 7,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.12 : 13,022.94 = 5,246.56 : x
  2. Step 2: Convert to fraction form
    9,439.12/13,022.94 = 5,246.56/x
  3. Step 3: Cross multiply
    9,439.12x = 13,022.94 × 5,246.56
  4. Step 4: Simplify right side
    9,439.12x = 68,325,636.09
  5. Step 5: Solve for x
    x = 68,325,636.09/9,439.12
  6. Step 6: Final answer
    x = 7,238.56

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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.