Home / 11,172.18-15,524.52-11,050.68

Finding the Fourth Proportional to 11,172.18, 15,524.52 and 11,050.68

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Solution

The fourth proportional to 11,172.18, 15,524.52 and 11,050.68 is: 15,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.18 : 15,524.52 = 11,050.68 : x
  2. Step 2: Convert to fraction form
    11,172.18/15,524.52 = 11,050.68/x
  3. Step 3: Cross multiply
    11,172.18x = 15,524.52 × 11,050.68
  4. Step 4: Simplify right side
    11,172.18x = 171,556,502.67
  5. Step 5: Solve for x
    x = 171,556,502.67/11,172.18
  6. Step 6: Final answer
    x = 15,355.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.