Home / 7,401.52-11,100.66-4,274.92

Finding the Fourth Proportional to 7,401.52, 11,100.66 and 4,274.92

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Solution

The fourth proportional to 7,401.52, 11,100.66 and 4,274.92 is: 6,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.52 : 11,100.66 = 4,274.92 : x
  2. Step 2: Convert to fraction form
    7,401.52/11,100.66 = 4,274.92/x
  3. Step 3: Cross multiply
    7,401.52x = 11,100.66 × 4,274.92
  4. Step 4: Simplify right side
    7,401.52x = 47,454,433.45
  5. Step 5: Solve for x
    x = 47,454,433.45/7,401.52
  6. Step 6: Final answer
    x = 6,411.44

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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.