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Finding the Fourth Proportional to 7,937.90, 10,952.09 and 4,956.74

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Solution

The fourth proportional to 7,937.90, 10,952.09 and 4,956.74 is: 6,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.90 : 10,952.09 = 4,956.74 : x
  2. Step 2: Convert to fraction form
    7,937.90/10,952.09 = 4,956.74/x
  3. Step 3: Cross multiply
    7,937.90x = 10,952.09 × 4,956.74
  4. Step 4: Simplify right side
    7,937.90x = 54,286,690.37
  5. Step 5: Solve for x
    x = 54,286,690.37/7,937.90
  6. Step 6: Final answer
    x = 6,838.92

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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.