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Finding the Fourth Proportional to 8,632.98, 11,914.88 and 5,277.74

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Solution

The fourth proportional to 8,632.98, 11,914.88 and 5,277.74 is: 7,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.98 : 11,914.88 = 5,277.74 : x
  2. Step 2: Convert to fraction form
    8,632.98/11,914.88 = 5,277.74/x
  3. Step 3: Cross multiply
    8,632.98x = 11,914.88 × 5,277.74
  4. Step 4: Simplify right side
    8,632.98x = 62,883,552.81
  5. Step 5: Solve for x
    x = 62,883,552.81/8,632.98
  6. Step 6: Final answer
    x = 7,284.11

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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.