Home / 8,622.31-11,898.80-4,896.31

Finding the Fourth Proportional to 8,622.31, 11,898.80 and 4,896.31

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Solution

The fourth proportional to 8,622.31, 11,898.80 and 4,896.31 is: 6,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.31 : 11,898.80 = 4,896.31 : x
  2. Step 2: Convert to fraction form
    8,622.31/11,898.80 = 4,896.31/x
  3. Step 3: Cross multiply
    8,622.31x = 11,898.80 × 4,896.31
  4. Step 4: Simplify right side
    8,622.31x = 58,260,213.43
  5. Step 5: Solve for x
    x = 58,260,213.43/8,622.31
  6. Step 6: Final answer
    x = 6,756.91

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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.