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Finding the Fourth Proportional to 7,291.34, 10,955.92 and 6,369.38

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Solution

The fourth proportional to 7,291.34, 10,955.92 and 6,369.38 is: 9,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.34 : 10,955.92 = 6,369.38 : x
  2. Step 2: Convert to fraction form
    7,291.34/10,955.92 = 6,369.38/x
  3. Step 3: Cross multiply
    7,291.34x = 10,955.92 × 6,369.38
  4. Step 4: Simplify right side
    7,291.34x = 69,782,417.73
  5. Step 5: Solve for x
    x = 69,782,417.73/7,291.34
  6. Step 6: Final answer
    x = 9,570.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.