Home / 11,715.39-16,167.10-6,410.15

Finding the Fourth Proportional to 11,715.39, 16,167.10 and 6,410.15

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Solution

The fourth proportional to 11,715.39, 16,167.10 and 6,410.15 is: 8,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.39 : 16,167.10 = 6,410.15 : x
  2. Step 2: Convert to fraction form
    11,715.39/16,167.10 = 6,410.15/x
  3. Step 3: Cross multiply
    11,715.39x = 16,167.10 × 6,410.15
  4. Step 4: Simplify right side
    11,715.39x = 103,633,536.07
  5. Step 5: Solve for x
    x = 103,633,536.07/11,715.39
  6. Step 6: Final answer
    x = 8,845.93

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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.