Home / 6,917.72-9,522.45-5,236.16

Finding the Fourth Proportional to 6,917.72, 9,522.45 and 5,236.16

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Solution

The fourth proportional to 6,917.72, 9,522.45 and 5,236.16 is: 7,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.72 : 9,522.45 = 5,236.16 : x
  2. Step 2: Convert to fraction form
    6,917.72/9,522.45 = 5,236.16/x
  3. Step 3: Cross multiply
    6,917.72x = 9,522.45 × 5,236.16
  4. Step 4: Simplify right side
    6,917.72x = 49,861,071.79
  5. Step 5: Solve for x
    x = 49,861,071.79/6,917.72
  6. Step 6: Final answer
    x = 7,207.73

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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.