Home / 11,106.42-15,319.71-6,626.73

Finding the Fourth Proportional to 11,106.42, 15,319.71 and 6,626.73

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Solution

The fourth proportional to 11,106.42, 15,319.71 and 6,626.73 is: 9,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.42 : 15,319.71 = 6,626.73 : x
  2. Step 2: Convert to fraction form
    11,106.42/15,319.71 = 6,626.73/x
  3. Step 3: Cross multiply
    11,106.42x = 15,319.71 × 6,626.73
  4. Step 4: Simplify right side
    11,106.42x = 101,519,581.85
  5. Step 5: Solve for x
    x = 101,519,581.85/11,106.42
  6. Step 6: Final answer
    x = 9,140.62

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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.