Home / 11,715.29-16,167.15-6,410.19

Finding the Fourth Proportional to 11,715.29, 16,167.15 and 6,410.19

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Solution

The fourth proportional to 11,715.29, 16,167.15 and 6,410.19 is: 8,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.29 : 16,167.15 = 6,410.19 : x
  2. Step 2: Convert to fraction form
    11,715.29/16,167.15 = 6,410.19/x
  3. Step 3: Cross multiply
    11,715.29x = 16,167.15 × 6,410.19
  4. Step 4: Simplify right side
    11,715.29x = 103,634,503.26
  5. Step 5: Solve for x
    x = 103,634,503.26/11,715.29
  6. Step 6: Final answer
    x = 8,846.09

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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.