Home / 8,313.24-12,469.86-5,545.32

Finding the Fourth Proportional to 8,313.24, 12,469.86 and 5,545.32

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Solution

The fourth proportional to 8,313.24, 12,469.86 and 5,545.32 is: 8,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.24 : 12,469.86 = 5,545.32 : x
  2. Step 2: Convert to fraction form
    8,313.24/12,469.86 = 5,545.32/x
  3. Step 3: Cross multiply
    8,313.24x = 12,469.86 × 5,545.32
  4. Step 4: Simplify right side
    8,313.24x = 69,149,360.16
  5. Step 5: Solve for x
    x = 69,149,360.16/8,313.24
  6. Step 6: Final answer
    x = 8,317.98

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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.