Home / 11,139.08-16,697.52-5,575.44

Finding the Fourth Proportional to 11,139.08, 16,697.52 and 5,575.44

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Solution

The fourth proportional to 11,139.08, 16,697.52 and 5,575.44 is: 8,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.08 : 16,697.52 = 5,575.44 : x
  2. Step 2: Convert to fraction form
    11,139.08/16,697.52 = 5,575.44/x
  3. Step 3: Cross multiply
    11,139.08x = 16,697.52 × 5,575.44
  4. Step 4: Simplify right side
    11,139.08x = 93,096,020.91
  5. Step 5: Solve for x
    x = 93,096,020.91/11,139.08
  6. Step 6: Final answer
    x = 8,357.60

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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.