Home / 11,328.00-15,630.27-6,850.88

Finding the Fourth Proportional to 11,328.00, 15,630.27 and 6,850.88

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Solution

The fourth proportional to 11,328.00, 15,630.27 and 6,850.88 is: 9,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.00 : 15,630.27 = 6,850.88 : x
  2. Step 2: Convert to fraction form
    11,328.00/15,630.27 = 6,850.88/x
  3. Step 3: Cross multiply
    11,328.00x = 15,630.27 × 6,850.88
  4. Step 4: Simplify right side
    11,328.00x = 107,081,058.91
  5. Step 5: Solve for x
    x = 107,081,058.91/11,328.00
  6. Step 6: Final answer
    x = 9,452.78

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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.