Home / 11,395.34-15,726.36-6,360.55

Finding the Fourth Proportional to 11,395.34, 15,726.36 and 6,360.55

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Solution

The fourth proportional to 11,395.34, 15,726.36 and 6,360.55 is: 8,777.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.34 : 15,726.36 = 6,360.55 : x
  2. Step 2: Convert to fraction form
    11,395.34/15,726.36 = 6,360.55/x
  3. Step 3: Cross multiply
    11,395.34x = 15,726.36 × 6,360.55
  4. Step 4: Simplify right side
    11,395.34x = 100,028,236.37
  5. Step 5: Solve for x
    x = 100,028,236.37/11,395.34
  6. Step 6: Final answer
    x = 8,777.99

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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.