Home / 11,005.56-16,500.12-6,622.02

Finding the Fourth Proportional to 11,005.56, 16,500.12 and 6,622.02

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Solution

The fourth proportional to 11,005.56, 16,500.12 and 6,622.02 is: 9,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.56 : 16,500.12 = 6,622.02 : x
  2. Step 2: Convert to fraction form
    11,005.56/16,500.12 = 6,622.02/x
  3. Step 3: Cross multiply
    11,005.56x = 16,500.12 × 6,622.02
  4. Step 4: Simplify right side
    11,005.56x = 109,264,124.64
  5. Step 5: Solve for x
    x = 109,264,124.64/11,005.56
  6. Step 6: Final answer
    x = 9,928.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.