Home / 7,913.21-11,869.71-2,366.60

Finding the Fourth Proportional to 7,913.21, 11,869.71 and 2,366.60

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Solution

The fourth proportional to 7,913.21, 11,869.71 and 2,366.60 is: 3,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.21 : 11,869.71 = 2,366.60 : x
  2. Step 2: Convert to fraction form
    7,913.21/11,869.71 = 2,366.60/x
  3. Step 3: Cross multiply
    7,913.21x = 11,869.71 × 2,366.60
  4. Step 4: Simplify right side
    7,913.21x = 28,090,855.69
  5. Step 5: Solve for x
    x = 28,090,855.69/7,913.21
  6. Step 6: Final answer
    x = 3,549.87

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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.