Home / 7,416.61-11,124.49-1,869.94

Finding the Fourth Proportional to 7,416.61, 11,124.49 and 1,869.94

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Solution

The fourth proportional to 7,416.61, 11,124.49 and 1,869.94 is: 2,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.61 : 11,124.49 = 1,869.94 : x
  2. Step 2: Convert to fraction form
    7,416.61/11,124.49 = 1,869.94/x
  3. Step 3: Cross multiply
    7,416.61x = 11,124.49 × 1,869.94
  4. Step 4: Simplify right side
    7,416.61x = 20,802,078.99
  5. Step 5: Solve for x
    x = 20,802,078.99/7,416.61
  6. Step 6: Final answer
    x = 2,804.79

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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.