Home / 7,484.32-11,227.12-3,100.32

Finding the Fourth Proportional to 7,484.32, 11,227.12 and 3,100.32

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Solution

The fourth proportional to 7,484.32, 11,227.12 and 3,100.32 is: 4,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.32 : 11,227.12 = 3,100.32 : x
  2. Step 2: Convert to fraction form
    7,484.32/11,227.12 = 3,100.32/x
  3. Step 3: Cross multiply
    7,484.32x = 11,227.12 × 3,100.32
  4. Step 4: Simplify right side
    7,484.32x = 34,807,664.68
  5. Step 5: Solve for x
    x = 34,807,664.68/7,484.32
  6. Step 6: Final answer
    x = 4,650.75

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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.