Home / 8,693.28-11,995.44-4,915.44

Finding the Fourth Proportional to 8,693.28, 11,995.44 and 4,915.44

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Solution

The fourth proportional to 8,693.28, 11,995.44 and 4,915.44 is: 6,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.28 : 11,995.44 = 4,915.44 : x
  2. Step 2: Convert to fraction form
    8,693.28/11,995.44 = 4,915.44/x
  3. Step 3: Cross multiply
    8,693.28x = 11,995.44 × 4,915.44
  4. Step 4: Simplify right side
    8,693.28x = 58,962,865.59
  5. Step 5: Solve for x
    x = 58,962,865.59/8,693.28
  6. Step 6: Final answer
    x = 6,782.58

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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.