Home / 7,211.24-9,949.48-4,824.72

Finding the Fourth Proportional to 7,211.24, 9,949.48 and 4,824.72

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Solution

The fourth proportional to 7,211.24, 9,949.48 and 4,824.72 is: 6,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.24 : 9,949.48 = 4,824.72 : x
  2. Step 2: Convert to fraction form
    7,211.24/9,949.48 = 4,824.72/x
  3. Step 3: Cross multiply
    7,211.24x = 9,949.48 × 4,824.72
  4. Step 4: Simplify right side
    7,211.24x = 48,003,455.15
  5. Step 5: Solve for x
    x = 48,003,455.15/7,211.24
  6. Step 6: Final answer
    x = 6,656.75

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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.