Home / 11,710.67-16,160.15-6,675.09

Finding the Fourth Proportional to 11,710.67, 16,160.15 and 6,675.09

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Solution

The fourth proportional to 11,710.67, 16,160.15 and 6,675.09 is: 9,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.67 : 16,160.15 = 6,675.09 : x
  2. Step 2: Convert to fraction form
    11,710.67/16,160.15 = 6,675.09/x
  3. Step 3: Cross multiply
    11,710.67x = 16,160.15 × 6,675.09
  4. Step 4: Simplify right side
    11,710.67x = 107,870,422.29
  5. Step 5: Solve for x
    x = 107,870,422.29/11,710.67
  6. Step 6: Final answer
    x = 9,211.30

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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.