Home / 12,916.33-17,826.68-7,614.07

Finding the Fourth Proportional to 12,916.33, 17,826.68 and 7,614.07

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Solution

The fourth proportional to 12,916.33, 17,826.68 and 7,614.07 is: 10,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.33 : 17,826.68 = 7,614.07 : x
  2. Step 2: Convert to fraction form
    12,916.33/17,826.68 = 7,614.07/x
  3. Step 3: Cross multiply
    12,916.33x = 17,826.68 × 7,614.07
  4. Step 4: Simplify right side
    12,916.33x = 135,733,563.86
  5. Step 5: Solve for x
    x = 135,733,563.86/12,916.33
  6. Step 6: Final answer
    x = 10,508.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.