Home / 11,370.06-15,690.81-6,334.57

Finding the Fourth Proportional to 11,370.06, 15,690.81 and 6,334.57

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Solution

The fourth proportional to 11,370.06, 15,690.81 and 6,334.57 is: 8,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.06 : 15,690.81 = 6,334.57 : x
  2. Step 2: Convert to fraction form
    11,370.06/15,690.81 = 6,334.57/x
  3. Step 3: Cross multiply
    11,370.06x = 15,690.81 × 6,334.57
  4. Step 4: Simplify right side
    11,370.06x = 99,394,610.77
  5. Step 5: Solve for x
    x = 99,394,610.77/11,370.06
  6. Step 6: Final answer
    x = 8,741.78

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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.