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Finding the Fourth Proportional to 11,285.69, 15,574.11 and 6,250.11

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Solution

The fourth proportional to 11,285.69, 15,574.11 and 6,250.11 is: 8,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.69 : 15,574.11 = 6,250.11 : x
  2. Step 2: Convert to fraction form
    11,285.69/15,574.11 = 6,250.11/x
  3. Step 3: Cross multiply
    11,285.69x = 15,574.11 × 6,250.11
  4. Step 4: Simplify right side
    11,285.69x = 97,339,900.65
  5. Step 5: Solve for x
    x = 97,339,900.65/11,285.69
  6. Step 6: Final answer
    x = 8,625.08

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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.