Home / 7,186.72-9,923.92-5,301.58

Finding the Fourth Proportional to 7,186.72, 9,923.92 and 5,301.58

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Solution

The fourth proportional to 7,186.72, 9,923.92 and 5,301.58 is: 7,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.72 : 9,923.92 = 5,301.58 : x
  2. Step 2: Convert to fraction form
    7,186.72/9,923.92 = 5,301.58/x
  3. Step 3: Cross multiply
    7,186.72x = 9,923.92 × 5,301.58
  4. Step 4: Simplify right side
    7,186.72x = 52,612,455.79
  5. Step 5: Solve for x
    x = 52,612,455.79/7,186.72
  6. Step 6: Final answer
    x = 7,320.79

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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.