Home / 8,174.08-11,279.66-4,637.86

Finding the Fourth Proportional to 8,174.08, 11,279.66 and 4,637.86

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Solution

The fourth proportional to 8,174.08, 11,279.66 and 4,637.86 is: 6,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.08 : 11,279.66 = 4,637.86 : x
  2. Step 2: Convert to fraction form
    8,174.08/11,279.66 = 4,637.86/x
  3. Step 3: Cross multiply
    8,174.08x = 11,279.66 × 4,637.86
  4. Step 4: Simplify right side
    8,174.08x = 52,313,483.93
  5. Step 5: Solve for x
    x = 52,313,483.93/8,174.08
  6. Step 6: Final answer
    x = 6,399.92

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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.