Home / 7,916.39-11,871.23-2,370.52

Finding the Fourth Proportional to 7,916.39, 11,871.23 and 2,370.52

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Solution

The fourth proportional to 7,916.39, 11,871.23 and 2,370.52 is: 3,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.39 : 11,871.23 = 2,370.52 : x
  2. Step 2: Convert to fraction form
    7,916.39/11,871.23 = 2,370.52/x
  3. Step 3: Cross multiply
    7,916.39x = 11,871.23 × 2,370.52
  4. Step 4: Simplify right side
    7,916.39x = 28,140,928.78
  5. Step 5: Solve for x
    x = 28,140,928.78/7,916.39
  6. Step 6: Final answer
    x = 3,554.77

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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.