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Finding the Fourth Proportional to 11,058.65, 16,587.99 and 9,106.75

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Solution

The fourth proportional to 11,058.65, 16,587.99 and 9,106.75 is: 13,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.65 : 16,587.99 = 9,106.75 : x
  2. Step 2: Convert to fraction form
    11,058.65/16,587.99 = 9,106.75/x
  3. Step 3: Cross multiply
    11,058.65x = 16,587.99 × 9,106.75
  4. Step 4: Simplify right side
    11,058.65x = 151,062,677.93
  5. Step 5: Solve for x
    x = 151,062,677.93/11,058.65
  6. Step 6: Final answer
    x = 13,660.14

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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.