Home / 11,424.44-15,767.55-6,707.81

Finding the Fourth Proportional to 11,424.44, 15,767.55 and 6,707.81

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Solution

The fourth proportional to 11,424.44, 15,767.55 and 6,707.81 is: 9,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.44 : 15,767.55 = 6,707.81 : x
  2. Step 2: Convert to fraction form
    11,424.44/15,767.55 = 6,707.81/x
  3. Step 3: Cross multiply
    11,424.44x = 15,767.55 × 6,707.81
  4. Step 4: Simplify right side
    11,424.44x = 105,765,729.57
  5. Step 5: Solve for x
    x = 105,765,729.57/11,424.44
  6. Step 6: Final answer
    x = 9,257.85

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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.