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Finding the Fourth Proportional to 11,058.40, 16,587.60 and 9,964.90

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Solution

The fourth proportional to 11,058.40, 16,587.60 and 9,964.90 is: 14,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.40 : 16,587.60 = 9,964.90 : x
  2. Step 2: Convert to fraction form
    11,058.40/16,587.60 = 9,964.90/x
  3. Step 3: Cross multiply
    11,058.40x = 16,587.60 × 9,964.90
  4. Step 4: Simplify right side
    11,058.40x = 165,293,775.24
  5. Step 5: Solve for x
    x = 165,293,775.24/11,058.40
  6. Step 6: Final answer
    x = 14,947.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.