Home / 9,329.39-12,875.79-5,349.73

Finding the Fourth Proportional to 9,329.39, 12,875.79 and 5,349.73

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Solution

The fourth proportional to 9,329.39, 12,875.79 and 5,349.73 is: 7,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.39 : 12,875.79 = 5,349.73 : x
  2. Step 2: Convert to fraction form
    9,329.39/12,875.79 = 5,349.73/x
  3. Step 3: Cross multiply
    9,329.39x = 12,875.79 × 5,349.73
  4. Step 4: Simplify right side
    9,329.39x = 68,882,000.04
  5. Step 5: Solve for x
    x = 68,882,000.04/9,329.39
  6. Step 6: Final answer
    x = 7,383.33

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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.