Home / 11,512.35-15,872.63-9,626.67

Finding the Fourth Proportional to 11,512.35, 15,872.63 and 9,626.67

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Solution

The fourth proportional to 11,512.35, 15,872.63 and 9,626.67 is: 13,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.35 : 15,872.63 = 9,626.67 : x
  2. Step 2: Convert to fraction form
    11,512.35/15,872.63 = 9,626.67/x
  3. Step 3: Cross multiply
    11,512.35x = 15,872.63 × 9,626.67
  4. Step 4: Simplify right side
    11,512.35x = 152,800,522.91
  5. Step 5: Solve for x
    x = 152,800,522.91/11,512.35
  6. Step 6: Final answer
    x = 13,272.75

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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.