Home / 11,923.66-17,885.58-3,603.70

Finding the Fourth Proportional to 11,923.66, 17,885.58 and 3,603.70

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Solution

The fourth proportional to 11,923.66, 17,885.58 and 3,603.70 is: 5,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.66 : 17,885.58 = 3,603.70 : x
  2. Step 2: Convert to fraction form
    11,923.66/17,885.58 = 3,603.70/x
  3. Step 3: Cross multiply
    11,923.66x = 17,885.58 × 3,603.70
  4. Step 4: Simplify right side
    11,923.66x = 64,454,264.65
  5. Step 5: Solve for x
    x = 64,454,264.65/11,923.66
  6. Step 6: Final answer
    x = 5,405.58

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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.