Home / 8,253.31-11,389.62-4,476.49

Finding the Fourth Proportional to 8,253.31, 11,389.62 and 4,476.49

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Solution

The fourth proportional to 8,253.31, 11,389.62 and 4,476.49 is: 6,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.31 : 11,389.62 = 4,476.49 : x
  2. Step 2: Convert to fraction form
    8,253.31/11,389.62 = 4,476.49/x
  3. Step 3: Cross multiply
    8,253.31x = 11,389.62 × 4,476.49
  4. Step 4: Simplify right side
    8,253.31x = 50,985,520.03
  5. Step 5: Solve for x
    x = 50,985,520.03/8,253.31
  6. Step 6: Final answer
    x = 6,177.58

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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.