Home / 6,915.88-9,543.82-3,772.04

Finding the Fourth Proportional to 6,915.88, 9,543.82 and 3,772.04

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Solution

The fourth proportional to 6,915.88, 9,543.82 and 3,772.04 is: 5,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.88 : 9,543.82 = 3,772.04 : x
  2. Step 2: Convert to fraction form
    6,915.88/9,543.82 = 3,772.04/x
  3. Step 3: Cross multiply
    6,915.88x = 9,543.82 × 3,772.04
  4. Step 4: Simplify right side
    6,915.88x = 35,999,670.79
  5. Step 5: Solve for x
    x = 35,999,670.79/6,915.88
  6. Step 6: Final answer
    x = 5,205.36

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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.