Home / 8,940.48-12,337.92-5,585.24

Finding the Fourth Proportional to 8,940.48, 12,337.92 and 5,585.24

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Solution

The fourth proportional to 8,940.48, 12,337.92 and 5,585.24 is: 7,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.48 : 12,337.92 = 5,585.24 : x
  2. Step 2: Convert to fraction form
    8,940.48/12,337.92 = 5,585.24/x
  3. Step 3: Cross multiply
    8,940.48x = 12,337.92 × 5,585.24
  4. Step 4: Simplify right side
    8,940.48x = 68,910,262.77
  5. Step 5: Solve for x
    x = 68,910,262.77/8,940.48
  6. Step 6: Final answer
    x = 7,707.67

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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.