Home / 8,502.30-11,727.99-5,979.96

Finding the Fourth Proportional to 8,502.30, 11,727.99 and 5,979.96

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Solution

The fourth proportional to 8,502.30, 11,727.99 and 5,979.96 is: 8,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.30 : 11,727.99 = 5,979.96 : x
  2. Step 2: Convert to fraction form
    8,502.30/11,727.99 = 5,979.96/x
  3. Step 3: Cross multiply
    8,502.30x = 11,727.99 × 5,979.96
  4. Step 4: Simplify right side
    8,502.30x = 70,132,911.08
  5. Step 5: Solve for x
    x = 70,132,911.08/8,502.30
  6. Step 6: Final answer
    x = 8,248.70

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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.