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Finding the Fourth Proportional to 11,273.65, 15,557.65 and 6,238.08

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Solution

The fourth proportional to 11,273.65, 15,557.65 and 6,238.08 is: 8,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.65 : 15,557.65 = 6,238.08 : x
  2. Step 2: Convert to fraction form
    11,273.65/15,557.65 = 6,238.08/x
  3. Step 3: Cross multiply
    11,273.65x = 15,557.65 × 6,238.08
  4. Step 4: Simplify right side
    11,273.65x = 97,049,849.72
  5. Step 5: Solve for x
    x = 97,049,849.72/11,273.65
  6. Step 6: Final answer
    x = 8,608.56

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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.