Home / 7,934.93-11,902.98-2,091.50

Finding the Fourth Proportional to 7,934.93, 11,902.98 and 2,091.50

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Solution

The fourth proportional to 7,934.93, 11,902.98 and 2,091.50 is: 3,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.93 : 11,902.98 = 2,091.50 : x
  2. Step 2: Convert to fraction form
    7,934.93/11,902.98 = 2,091.50/x
  3. Step 3: Cross multiply
    7,934.93x = 11,902.98 × 2,091.50
  4. Step 4: Simplify right side
    7,934.93x = 24,895,082.67
  5. Step 5: Solve for x
    x = 24,895,082.67/7,934.93
  6. Step 6: Final answer
    x = 3,137.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.