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Finding the Fourth Proportional to 11,396.04, 15,726.04 and 6,360.20

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Solution

The fourth proportional to 11,396.04, 15,726.04 and 6,360.20 is: 8,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.04 : 15,726.04 = 6,360.20 : x
  2. Step 2: Convert to fraction form
    11,396.04/15,726.04 = 6,360.20/x
  3. Step 3: Cross multiply
    11,396.04x = 15,726.04 × 6,360.20
  4. Step 4: Simplify right side
    11,396.04x = 100,020,759.61
  5. Step 5: Solve for x
    x = 100,020,759.61/11,396.04
  6. Step 6: Final answer
    x = 8,776.80

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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.