Home / 8,863.62-13,298.40-3,317.56

Finding the Fourth Proportional to 8,863.62, 13,298.40 and 3,317.56

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Solution

The fourth proportional to 8,863.62, 13,298.40 and 3,317.56 is: 4,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.62 : 13,298.40 = 3,317.56 : x
  2. Step 2: Convert to fraction form
    8,863.62/13,298.40 = 3,317.56/x
  3. Step 3: Cross multiply
    8,863.62x = 13,298.40 × 3,317.56
  4. Step 4: Simplify right side
    8,863.62x = 44,118,239.90
  5. Step 5: Solve for x
    x = 44,118,239.90/8,863.62
  6. Step 6: Final answer
    x = 4,977.45

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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.