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Finding the Fourth Proportional to 7,906.52, 10,911 and 4,369.74

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Solution

The fourth proportional to 7,906.52, 10,911 and 4,369.74 is: 6,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.52 : 10,911 = 4,369.74 : x
  2. Step 2: Convert to fraction form
    7,906.52/10,911 = 4,369.74/x
  3. Step 3: Cross multiply
    7,906.52x = 10,911 × 4,369.74
  4. Step 4: Simplify right side
    7,906.52x = 47,678,233.14
  5. Step 5: Solve for x
    x = 47,678,233.14/7,906.52
  6. Step 6: Final answer
    x = 6,030.25

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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.