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Finding the Fourth Proportional to 7,362.56, 10,996.90 and 6,378.41

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Solution

The fourth proportional to 7,362.56, 10,996.90 and 6,378.41 is: 9,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.56 : 10,996.90 = 6,378.41 : x
  2. Step 2: Convert to fraction form
    7,362.56/10,996.90 = 6,378.41/x
  3. Step 3: Cross multiply
    7,362.56x = 10,996.90 × 6,378.41
  4. Step 4: Simplify right side
    7,362.56x = 70,142,748.48
  5. Step 5: Solve for x
    x = 70,142,748.48/7,362.56
  6. Step 6: Final answer
    x = 9,526.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.