Home / 9,680.38-13,346.13-6,317.33

Finding the Fourth Proportional to 9,680.38, 13,346.13 and 6,317.33

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Solution

The fourth proportional to 9,680.38, 13,346.13 and 6,317.33 is: 8,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.38 : 13,346.13 = 6,317.33 : x
  2. Step 2: Convert to fraction form
    9,680.38/13,346.13 = 6,317.33/x
  3. Step 3: Cross multiply
    9,680.38x = 13,346.13 × 6,317.33
  4. Step 4: Simplify right side
    9,680.38x = 84,311,864.39
  5. Step 5: Solve for x
    x = 84,311,864.39/9,680.38
  6. Step 6: Final answer
    x = 8,709.56

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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.