Home / 8,622.30-12,933.53-4,724.58

Finding the Fourth Proportional to 8,622.30, 12,933.53 and 4,724.58

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Solution

The fourth proportional to 8,622.30, 12,933.53 and 4,724.58 is: 7,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.30 : 12,933.53 = 4,724.58 : x
  2. Step 2: Convert to fraction form
    8,622.30/12,933.53 = 4,724.58/x
  3. Step 3: Cross multiply
    8,622.30x = 12,933.53 × 4,724.58
  4. Step 4: Simplify right side
    8,622.30x = 61,105,473.54
  5. Step 5: Solve for x
    x = 61,105,473.54/8,622.30
  6. Step 6: Final answer
    x = 7,086.91

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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.