Home / 7,426.75-11,137.55-2,160.34

Finding the Fourth Proportional to 7,426.75, 11,137.55 and 2,160.34

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Solution

The fourth proportional to 7,426.75, 11,137.55 and 2,160.34 is: 3,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.75 : 11,137.55 = 2,160.34 : x
  2. Step 2: Convert to fraction form
    7,426.75/11,137.55 = 2,160.34/x
  3. Step 3: Cross multiply
    7,426.75x = 11,137.55 × 2,160.34
  4. Step 4: Simplify right side
    7,426.75x = 24,060,894.77
  5. Step 5: Solve for x
    x = 24,060,894.77/7,426.75
  6. Step 6: Final answer
    x = 3,239.76

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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.