Home / 7,401.30-11,110.05-4,631.10

Finding the Fourth Proportional to 7,401.30, 11,110.05 and 4,631.10

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Solution

The fourth proportional to 7,401.30, 11,110.05 and 4,631.10 is: 6,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.30 : 11,110.05 = 4,631.10 : x
  2. Step 2: Convert to fraction form
    7,401.30/11,110.05 = 4,631.10/x
  3. Step 3: Cross multiply
    7,401.30x = 11,110.05 × 4,631.10
  4. Step 4: Simplify right side
    7,401.30x = 51,451,752.56
  5. Step 5: Solve for x
    x = 51,451,752.56/7,401.30
  6. Step 6: Final answer
    x = 6,951.72

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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.