Home / 8,622.12-11,898.51-5,039.54

Finding the Fourth Proportional to 8,622.12, 11,898.51 and 5,039.54

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Solution

The fourth proportional to 8,622.12, 11,898.51 and 5,039.54 is: 6,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.12 : 11,898.51 = 5,039.54 : x
  2. Step 2: Convert to fraction form
    8,622.12/11,898.51 = 5,039.54/x
  3. Step 3: Cross multiply
    8,622.12x = 11,898.51 × 5,039.54
  4. Step 4: Simplify right side
    8,622.12x = 59,963,029.68
  5. Step 5: Solve for x
    x = 59,963,029.68/8,622.12
  6. Step 6: Final answer
    x = 6,954.56

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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.