Home / 8,956.48-12,358.20-6,120.67

Finding the Fourth Proportional to 8,956.48, 12,358.20 and 6,120.67

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Solution

The fourth proportional to 8,956.48, 12,358.20 and 6,120.67 is: 8,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.48 : 12,358.20 = 6,120.67 : x
  2. Step 2: Convert to fraction form
    8,956.48/12,358.20 = 6,120.67/x
  3. Step 3: Cross multiply
    8,956.48x = 12,358.20 × 6,120.67
  4. Step 4: Simplify right side
    8,956.48x = 75,640,463.99
  5. Step 5: Solve for x
    x = 75,640,463.99/8,956.48
  6. Step 6: Final answer
    x = 8,445.33

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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.