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Finding the Fourth Proportional to 11,568.86, 15,965.03 and 6,263.66

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Solution

The fourth proportional to 11,568.86, 15,965.03 and 6,263.66 is: 8,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.86 : 15,965.03 = 6,263.66 : x
  2. Step 2: Convert to fraction form
    11,568.86/15,965.03 = 6,263.66/x
  3. Step 3: Cross multiply
    11,568.86x = 15,965.03 × 6,263.66
  4. Step 4: Simplify right side
    11,568.86x = 99,999,408.67
  5. Step 5: Solve for x
    x = 99,999,408.67/11,568.86
  6. Step 6: Final answer
    x = 8,643.85

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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.