Home / 11,103.68-15,322.56-6,068.16

Finding the Fourth Proportional to 11,103.68, 15,322.56 and 6,068.16

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Solution

The fourth proportional to 11,103.68, 15,322.56 and 6,068.16 is: 8,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.68 : 15,322.56 = 6,068.16 : x
  2. Step 2: Convert to fraction form
    11,103.68/15,322.56 = 6,068.16/x
  3. Step 3: Cross multiply
    11,103.68x = 15,322.56 × 6,068.16
  4. Step 4: Simplify right side
    11,103.68x = 92,979,745.69
  5. Step 5: Solve for x
    x = 92,979,745.69/11,103.68
  6. Step 6: Final answer
    x = 8,373.78

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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.