Home / 11,949.08-16,488.14-6,912.50

Finding the Fourth Proportional to 11,949.08, 16,488.14 and 6,912.50

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Solution

The fourth proportional to 11,949.08, 16,488.14 and 6,912.50 is: 9,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.08 : 16,488.14 = 6,912.50 : x
  2. Step 2: Convert to fraction form
    11,949.08/16,488.14 = 6,912.50/x
  3. Step 3: Cross multiply
    11,949.08x = 16,488.14 × 6,912.50
  4. Step 4: Simplify right side
    11,949.08x = 113,974,267.75
  5. Step 5: Solve for x
    x = 113,974,267.75/11,949.08
  6. Step 6: Final answer
    x = 9,538.33

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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.