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Finding the Fourth Proportional to 7,231.78, 10,835.72 and 6,626.51

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Solution

The fourth proportional to 7,231.78, 10,835.72 and 6,626.51 is: 9,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.78 : 10,835.72 = 6,626.51 : x
  2. Step 2: Convert to fraction form
    7,231.78/10,835.72 = 6,626.51/x
  3. Step 3: Cross multiply
    7,231.78x = 10,835.72 × 6,626.51
  4. Step 4: Simplify right side
    7,231.78x = 71,803,022.38
  5. Step 5: Solve for x
    x = 71,803,022.38/7,231.78
  6. Step 6: Final answer
    x = 9,928.82

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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.