Home / 10,950.96-15,107.52-6,702.21

Finding the Fourth Proportional to 10,950.96, 15,107.52 and 6,702.21

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Solution

The fourth proportional to 10,950.96, 15,107.52 and 6,702.21 is: 9,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.96 : 15,107.52 = 6,702.21 : x
  2. Step 2: Convert to fraction form
    10,950.96/15,107.52 = 6,702.21/x
  3. Step 3: Cross multiply
    10,950.96x = 15,107.52 × 6,702.21
  4. Step 4: Simplify right side
    10,950.96x = 101,253,771.62
  5. Step 5: Solve for x
    x = 101,253,771.62/10,950.96
  6. Step 6: Final answer
    x = 9,246.11

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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.