Home / 11,396.50-15,726.96-6,360.63

Finding the Fourth Proportional to 11,396.50, 15,726.96 and 6,360.63

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Solution

The fourth proportional to 11,396.50, 15,726.96 and 6,360.63 is: 8,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.50 : 15,726.96 = 6,360.63 : x
  2. Step 2: Convert to fraction form
    11,396.50/15,726.96 = 6,360.63/x
  3. Step 3: Cross multiply
    11,396.50x = 15,726.96 × 6,360.63
  4. Step 4: Simplify right side
    11,396.50x = 100,033,314.61
  5. Step 5: Solve for x
    x = 100,033,314.61/11,396.50
  6. Step 6: Final answer
    x = 8,777.55

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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.