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Finding the Fourth Proportional to 11,481.04, 15,837.15 and 7,495.23

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Solution

The fourth proportional to 11,481.04, 15,837.15 and 7,495.23 is: 10,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.04 : 15,837.15 = 7,495.23 : x
  2. Step 2: Convert to fraction form
    11,481.04/15,837.15 = 7,495.23/x
  3. Step 3: Cross multiply
    11,481.04x = 15,837.15 × 7,495.23
  4. Step 4: Simplify right side
    11,481.04x = 118,703,169.29
  5. Step 5: Solve for x
    x = 118,703,169.29/11,481.04
  6. Step 6: Final answer
    x = 10,339.06

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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.