Home / 12,276.74-18,404.49-5,699.54

Finding the Fourth Proportional to 12,276.74, 18,404.49 and 5,699.54

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Solution

The fourth proportional to 12,276.74, 18,404.49 and 5,699.54 is: 8,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.74 : 18,404.49 = 5,699.54 : x
  2. Step 2: Convert to fraction form
    12,276.74/18,404.49 = 5,699.54/x
  3. Step 3: Cross multiply
    12,276.74x = 18,404.49 × 5,699.54
  4. Step 4: Simplify right side
    12,276.74x = 104,897,126.93
  5. Step 5: Solve for x
    x = 104,897,126.93/12,276.74
  6. Step 6: Final answer
    x = 8,544.38

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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.