Home / 8,949.63-13,424.36-5,440.61

Finding the Fourth Proportional to 8,949.63, 13,424.36 and 5,440.61

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Solution

The fourth proportional to 8,949.63, 13,424.36 and 5,440.61 is: 8,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.63 : 13,424.36 = 5,440.61 : x
  2. Step 2: Convert to fraction form
    8,949.63/13,424.36 = 5,440.61/x
  3. Step 3: Cross multiply
    8,949.63x = 13,424.36 × 5,440.61
  4. Step 4: Simplify right side
    8,949.63x = 73,036,707.26
  5. Step 5: Solve for x
    x = 73,036,707.26/8,949.63
  6. Step 6: Final answer
    x = 8,160.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.