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Finding the Fourth Proportional to 9,762.41, 13,472.18 and 5,286.24

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Solution

The fourth proportional to 9,762.41, 13,472.18 and 5,286.24 is: 7,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.41 : 13,472.18 = 5,286.24 : x
  2. Step 2: Convert to fraction form
    9,762.41/13,472.18 = 5,286.24/x
  3. Step 3: Cross multiply
    9,762.41x = 13,472.18 × 5,286.24
  4. Step 4: Simplify right side
    9,762.41x = 71,217,150.37
  5. Step 5: Solve for x
    x = 71,217,150.37/9,762.41
  6. Step 6: Final answer
    x = 7,295.04

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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.