Home / 11,224.58-15,490.04-6,188.81

Finding the Fourth Proportional to 11,224.58, 15,490.04 and 6,188.81

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Solution

The fourth proportional to 11,224.58, 15,490.04 and 6,188.81 is: 8,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.58 : 15,490.04 = 6,188.81 : x
  2. Step 2: Convert to fraction form
    11,224.58/15,490.04 = 6,188.81/x
  3. Step 3: Cross multiply
    11,224.58x = 15,490.04 × 6,188.81
  4. Step 4: Simplify right side
    11,224.58x = 95,864,806.06
  5. Step 5: Solve for x
    x = 95,864,806.06/11,224.58
  6. Step 6: Final answer
    x = 8,540.62

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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.