Home / 8,318.56-12,483.36-3,701.44

Finding the Fourth Proportional to 8,318.56, 12,483.36 and 3,701.44

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Solution

The fourth proportional to 8,318.56, 12,483.36 and 3,701.44 is: 5,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.56 : 12,483.36 = 3,701.44 : x
  2. Step 2: Convert to fraction form
    8,318.56/12,483.36 = 3,701.44/x
  3. Step 3: Cross multiply
    8,318.56x = 12,483.36 × 3,701.44
  4. Step 4: Simplify right side
    8,318.56x = 46,206,408.04
  5. Step 5: Solve for x
    x = 46,206,408.04/8,318.56
  6. Step 6: Final answer
    x = 5,554.62

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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.