Home / 6,915.33-9,543.24-3,771.51

Finding the Fourth Proportional to 6,915.33, 9,543.24 and 3,771.51

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Solution

The fourth proportional to 6,915.33, 9,543.24 and 3,771.51 is: 5,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.33 : 9,543.24 = 3,771.51 : x
  2. Step 2: Convert to fraction form
    6,915.33/9,543.24 = 3,771.51/x
  3. Step 3: Cross multiply
    6,915.33x = 9,543.24 × 3,771.51
  4. Step 4: Simplify right side
    6,915.33x = 35,992,425.09
  5. Step 5: Solve for x
    x = 35,992,425.09/6,915.33
  6. Step 6: Final answer
    x = 5,204.73

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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.