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Finding the Fourth Proportional to 9,381.93, 12,951.77 and 7,252.67

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Solution

The fourth proportional to 9,381.93, 12,951.77 and 7,252.67 is: 10,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.93 : 12,951.77 = 7,252.67 : x
  2. Step 2: Convert to fraction form
    9,381.93/12,951.77 = 7,252.67/x
  3. Step 3: Cross multiply
    9,381.93x = 12,951.77 × 7,252.67
  4. Step 4: Simplify right side
    9,381.93x = 93,934,867.10
  5. Step 5: Solve for x
    x = 93,934,867.10/9,381.93
  6. Step 6: Final answer
    x = 10,012.32

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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.