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Finding the Fourth Proportional to 11,873.44, 17,810.58 and 9,105.16

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Solution

The fourth proportional to 11,873.44, 17,810.58 and 9,105.16 is: 13,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.44 : 17,810.58 = 9,105.16 : x
  2. Step 2: Convert to fraction form
    11,873.44/17,810.58 = 9,105.16/x
  3. Step 3: Cross multiply
    11,873.44x = 17,810.58 × 9,105.16
  4. Step 4: Simplify right side
    11,873.44x = 162,168,180.59
  5. Step 5: Solve for x
    x = 162,168,180.59/11,873.44
  6. Step 6: Final answer
    x = 13,658.06

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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.