Home / 11,715.97-16,166.44-6,999.25

Finding the Fourth Proportional to 11,715.97, 16,166.44 and 6,999.25

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Solution

The fourth proportional to 11,715.97, 16,166.44 and 6,999.25 is: 9,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.97 : 16,166.44 = 6,999.25 : x
  2. Step 2: Convert to fraction form
    11,715.97/16,166.44 = 6,999.25/x
  3. Step 3: Cross multiply
    11,715.97x = 16,166.44 × 6,999.25
  4. Step 4: Simplify right side
    11,715.97x = 113,152,955.17
  5. Step 5: Solve for x
    x = 113,152,955.17/11,715.97
  6. Step 6: Final answer
    x = 9,658.01

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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.