Home / 11,715.65-16,167.57-6,410.46

Finding the Fourth Proportional to 11,715.65, 16,167.57 and 6,410.46

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Solution

The fourth proportional to 11,715.65, 16,167.57 and 6,410.46 is: 8,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.65 : 16,167.57 = 6,410.46 : x
  2. Step 2: Convert to fraction form
    11,715.65/16,167.57 = 6,410.46/x
  3. Step 3: Cross multiply
    11,715.65x = 16,167.57 × 6,410.46
  4. Step 4: Simplify right side
    11,715.65x = 103,641,560.78
  5. Step 5: Solve for x
    x = 103,641,560.78/11,715.65
  6. Step 6: Final answer
    x = 8,846.42

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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.