Home / 8,321.99-11,484.33-4,545.32

Finding the Fourth Proportional to 8,321.99, 11,484.33 and 4,545.32

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Solution

The fourth proportional to 8,321.99, 11,484.33 and 4,545.32 is: 6,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.99 : 11,484.33 = 4,545.32 : x
  2. Step 2: Convert to fraction form
    8,321.99/11,484.33 = 4,545.32/x
  3. Step 3: Cross multiply
    8,321.99x = 11,484.33 × 4,545.32
  4. Step 4: Simplify right side
    8,321.99x = 52,199,905.94
  5. Step 5: Solve for x
    x = 52,199,905.94/8,321.99
  6. Step 6: Final answer
    x = 6,272.53

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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.