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Finding the Fourth Proportional to 12,363, 17,060.94 and 6,774.12

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Solution

The fourth proportional to 12,363, 17,060.94 and 6,774.12 is: 9,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363 : 17,060.94 = 6,774.12 : x
  2. Step 2: Convert to fraction form
    12,363/17,060.94 = 6,774.12/x
  3. Step 3: Cross multiply
    12,363x = 17,060.94 × 6,774.12
  4. Step 4: Simplify right side
    12,363x = 115,572,854.87
  5. Step 5: Solve for x
    x = 115,572,854.87/12,363
  6. Step 6: Final answer
    x = 9,348.29

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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.