Home / 12,747.49-17,586.62-9,398.27

Finding the Fourth Proportional to 12,747.49, 17,586.62 and 9,398.27

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Solution

The fourth proportional to 12,747.49, 17,586.62 and 9,398.27 is: 12,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.49 : 17,586.62 = 9,398.27 : x
  2. Step 2: Convert to fraction form
    12,747.49/17,586.62 = 9,398.27/x
  3. Step 3: Cross multiply
    12,747.49x = 17,586.62 × 9,398.27
  4. Step 4: Simplify right side
    12,747.49x = 165,283,715.21
  5. Step 5: Solve for x
    x = 165,283,715.21/12,747.49
  6. Step 6: Final answer
    x = 12,965.98

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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.