Home / 9,174.15-13,743.54-5,479.34

Finding the Fourth Proportional to 9,174.15, 13,743.54 and 5,479.34

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Solution

The fourth proportional to 9,174.15, 13,743.54 and 5,479.34 is: 8,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.15 : 13,743.54 = 5,479.34 : x
  2. Step 2: Convert to fraction form
    9,174.15/13,743.54 = 5,479.34/x
  3. Step 3: Cross multiply
    9,174.15x = 13,743.54 × 5,479.34
  4. Step 4: Simplify right side
    9,174.15x = 75,305,459.75
  5. Step 5: Solve for x
    x = 75,305,459.75/9,174.15
  6. Step 6: Final answer
    x = 8,208.44

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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.