Home / 11,103.48-16,646.76-6,719.76

Finding the Fourth Proportional to 11,103.48, 16,646.76 and 6,719.76

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Solution

The fourth proportional to 11,103.48, 16,646.76 and 6,719.76 is: 10,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.48 : 16,646.76 = 6,719.76 : x
  2. Step 2: Convert to fraction form
    11,103.48/16,646.76 = 6,719.76/x
  3. Step 3: Cross multiply
    11,103.48x = 16,646.76 × 6,719.76
  4. Step 4: Simplify right side
    11,103.48x = 111,862,231.98
  5. Step 5: Solve for x
    x = 111,862,231.98/11,103.48
  6. Step 6: Final answer
    x = 10,074.52

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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.