Home / 8,905.38-13,359.96-3,358.59

Finding the Fourth Proportional to 8,905.38, 13,359.96 and 3,358.59

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Solution

The fourth proportional to 8,905.38, 13,359.96 and 3,358.59 is: 5,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.38 : 13,359.96 = 3,358.59 : x
  2. Step 2: Convert to fraction form
    8,905.38/13,359.96 = 3,358.59/x
  3. Step 3: Cross multiply
    8,905.38x = 13,359.96 × 3,358.59
  4. Step 4: Simplify right side
    8,905.38x = 44,870,628.06
  5. Step 5: Solve for x
    x = 44,870,628.06/8,905.38
  6. Step 6: Final answer
    x = 5,038.60

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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.