Home / 8,829.72-12,183.66-5,103

Finding the Fourth Proportional to 8,829.72, 12,183.66 and 5,103

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Solution

The fourth proportional to 8,829.72, 12,183.66 and 5,103 is: 7,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.72 : 12,183.66 = 5,103 : x
  2. Step 2: Convert to fraction form
    8,829.72/12,183.66 = 5,103/x
  3. Step 3: Cross multiply
    8,829.72x = 12,183.66 × 5,103
  4. Step 4: Simplify right side
    8,829.72x = 62,173,216.98
  5. Step 5: Solve for x
    x = 62,173,216.98/8,829.72
  6. Step 6: Final answer
    x = 7,041.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.