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Finding the Fourth Proportional to 11,011.98, 15,196.28 and 6,295.98

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Solution

The fourth proportional to 11,011.98, 15,196.28 and 6,295.98 is: 8,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.98 : 15,196.28 = 6,295.98 : x
  2. Step 2: Convert to fraction form
    11,011.98/15,196.28 = 6,295.98/x
  3. Step 3: Cross multiply
    11,011.98x = 15,196.28 × 6,295.98
  4. Step 4: Simplify right side
    11,011.98x = 95,675,443.47
  5. Step 5: Solve for x
    x = 95,675,443.47/11,011.98
  6. Step 6: Final answer
    x = 8,688.31

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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.