Home / 9,679.92-14,513.36-6,215.28

Finding the Fourth Proportional to 9,679.92, 14,513.36 and 6,215.28

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Solution

The fourth proportional to 9,679.92, 14,513.36 and 6,215.28 is: 9,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.92 : 14,513.36 = 6,215.28 : x
  2. Step 2: Convert to fraction form
    9,679.92/14,513.36 = 6,215.28/x
  3. Step 3: Cross multiply
    9,679.92x = 14,513.36 × 6,215.28
  4. Step 4: Simplify right side
    9,679.92x = 90,204,596.14
  5. Step 5: Solve for x
    x = 90,204,596.14/9,679.92
  6. Step 6: Final answer
    x = 9,318.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.