Home / 8,174.16-11,279.88-4,448.16

Finding the Fourth Proportional to 8,174.16, 11,279.88 and 4,448.16

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Solution

The fourth proportional to 8,174.16, 11,279.88 and 4,448.16 is: 6,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.16 : 11,279.88 = 4,448.16 : x
  2. Step 2: Convert to fraction form
    8,174.16/11,279.88 = 4,448.16/x
  3. Step 3: Cross multiply
    8,174.16x = 11,279.88 × 4,448.16
  4. Step 4: Simplify right side
    8,174.16x = 50,174,711.02
  5. Step 5: Solve for x
    x = 50,174,711.02/8,174.16
  6. Step 6: Final answer
    x = 6,138.21

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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.