Home / 11,803.05-16,288.28-6,767.58

Finding the Fourth Proportional to 11,803.05, 16,288.28 and 6,767.58

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Solution

The fourth proportional to 11,803.05, 16,288.28 and 6,767.58 is: 9,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.05 : 16,288.28 = 6,767.58 : x
  2. Step 2: Convert to fraction form
    11,803.05/16,288.28 = 6,767.58/x
  3. Step 3: Cross multiply
    11,803.05x = 16,288.28 × 6,767.58
  4. Step 4: Simplify right side
    11,803.05x = 110,232,237.96
  5. Step 5: Solve for x
    x = 110,232,237.96/11,803.05
  6. Step 6: Final answer
    x = 9,339.30

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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.