Home / 9,575.25-13,212.39-5,382.69

Finding the Fourth Proportional to 9,575.25, 13,212.39 and 5,382.69

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Solution

The fourth proportional to 9,575.25, 13,212.39 and 5,382.69 is: 7,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,575.25 : 13,212.39 = 5,382.69 : x
  2. Step 2: Convert to fraction form
    9,575.25/13,212.39 = 5,382.69/x
  3. Step 3: Cross multiply
    9,575.25x = 13,212.39 × 5,382.69
  4. Step 4: Simplify right side
    9,575.25x = 71,118,199.53
  5. Step 5: Solve for x
    x = 71,118,199.53/9,575.25
  6. Step 6: Final answer
    x = 7,427.29

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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.