Home / 7,470.66-11,205.24-1,923.84

Finding the Fourth Proportional to 7,470.66, 11,205.24 and 1,923.84

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Solution

The fourth proportional to 7,470.66, 11,205.24 and 1,923.84 is: 2,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.66 : 11,205.24 = 1,923.84 : x
  2. Step 2: Convert to fraction form
    7,470.66/11,205.24 = 1,923.84/x
  3. Step 3: Cross multiply
    7,470.66x = 11,205.24 × 1,923.84
  4. Step 4: Simplify right side
    7,470.66x = 21,557,088.92
  5. Step 5: Solve for x
    x = 21,557,088.92/7,470.66
  6. Step 6: Final answer
    x = 2,885.57

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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.