Home / 8,385.53-11,572.27-5,028.48

Finding the Fourth Proportional to 8,385.53, 11,572.27 and 5,028.48

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Solution

The fourth proportional to 8,385.53, 11,572.27 and 5,028.48 is: 6,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.53 : 11,572.27 = 5,028.48 : x
  2. Step 2: Convert to fraction form
    8,385.53/11,572.27 = 5,028.48/x
  3. Step 3: Cross multiply
    8,385.53x = 11,572.27 × 5,028.48
  4. Step 4: Simplify right side
    8,385.53x = 58,190,915.68
  5. Step 5: Solve for x
    x = 58,190,915.68/8,385.53
  6. Step 6: Final answer
    x = 6,939.45

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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.