Home / 11,352.18-17,015.64-8,569.83

Finding the Fourth Proportional to 11,352.18, 17,015.64 and 8,569.83

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Solution

The fourth proportional to 11,352.18, 17,015.64 and 8,569.83 is: 12,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.18 : 17,015.64 = 8,569.83 : x
  2. Step 2: Convert to fraction form
    11,352.18/17,015.64 = 8,569.83/x
  3. Step 3: Cross multiply
    11,352.18x = 17,015.64 × 8,569.83
  4. Step 4: Simplify right side
    11,352.18x = 145,821,142.14
  5. Step 5: Solve for x
    x = 145,821,142.14/11,352.18
  6. Step 6: Final answer
    x = 12,845.21

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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.