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Finding the Fourth Proportional to 11,572.69, 15,970.28 and 6,267.49

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Solution

The fourth proportional to 11,572.69, 15,970.28 and 6,267.49 is: 8,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.69 : 15,970.28 = 6,267.49 : x
  2. Step 2: Convert to fraction form
    11,572.69/15,970.28 = 6,267.49/x
  3. Step 3: Cross multiply
    11,572.69x = 15,970.28 × 6,267.49
  4. Step 4: Simplify right side
    11,572.69x = 100,093,490.35
  5. Step 5: Solve for x
    x = 100,093,490.35/11,572.69
  6. Step 6: Final answer
    x = 8,649.12

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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.