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Finding the Fourth Proportional to 7,956.17, 10,987.67 and 5,963.57

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Solution

The fourth proportional to 7,956.17, 10,987.67 and 5,963.57 is: 8,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.17 : 10,987.67 = 5,963.57 : x
  2. Step 2: Convert to fraction form
    7,956.17/10,987.67 = 5,963.57/x
  3. Step 3: Cross multiply
    7,956.17x = 10,987.67 × 5,963.57
  4. Step 4: Simplify right side
    7,956.17x = 65,525,739.18
  5. Step 5: Solve for x
    x = 65,525,739.18/7,956.17
  6. Step 6: Final answer
    x = 8,235.84

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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.