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Finding the Fourth Proportional to 9,231.18, 13,818.03 and 8,935.93

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Solution

The fourth proportional to 9,231.18, 13,818.03 and 8,935.93 is: 13,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.18 : 13,818.03 = 8,935.93 : x
  2. Step 2: Convert to fraction form
    9,231.18/13,818.03 = 8,935.93/x
  3. Step 3: Cross multiply
    9,231.18x = 13,818.03 × 8,935.93
  4. Step 4: Simplify right side
    9,231.18x = 123,476,948.82
  5. Step 5: Solve for x
    x = 123,476,948.82/9,231.18
  6. Step 6: Final answer
    x = 13,376.07

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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.