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Finding the Fourth Proportional to 11,595.23, 15,983.96 and 9,072.96

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Solution

The fourth proportional to 11,595.23, 15,983.96 and 9,072.96 is: 12,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.23 : 15,983.96 = 9,072.96 : x
  2. Step 2: Convert to fraction form
    11,595.23/15,983.96 = 9,072.96/x
  3. Step 3: Cross multiply
    11,595.23x = 15,983.96 × 9,072.96
  4. Step 4: Simplify right side
    11,595.23x = 145,021,829.72
  5. Step 5: Solve for x
    x = 145,021,829.72/11,595.23
  6. Step 6: Final answer
    x = 12,507.02

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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.