Home / 11,923.38-17,888.64-3,603.66

Finding the Fourth Proportional to 11,923.38, 17,888.64 and 3,603.66

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Solution

The fourth proportional to 11,923.38, 17,888.64 and 3,603.66 is: 5,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.38 : 17,888.64 = 3,603.66 : x
  2. Step 2: Convert to fraction form
    11,923.38/17,888.64 = 3,603.66/x
  3. Step 3: Cross multiply
    11,923.38x = 17,888.64 × 3,603.66
  4. Step 4: Simplify right side
    11,923.38x = 64,464,576.42
  5. Step 5: Solve for x
    x = 64,464,576.42/11,923.38
  6. Step 6: Final answer
    x = 5,406.57

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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.