Home / 8,982.90-12,403.67-5,797.77

Finding the Fourth Proportional to 8,982.90, 12,403.67 and 5,797.77

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Solution

The fourth proportional to 8,982.90, 12,403.67 and 5,797.77 is: 8,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.90 : 12,403.67 = 5,797.77 : x
  2. Step 2: Convert to fraction form
    8,982.90/12,403.67 = 5,797.77/x
  3. Step 3: Cross multiply
    8,982.90x = 12,403.67 × 5,797.77
  4. Step 4: Simplify right side
    8,982.90x = 71,913,625.82
  5. Step 5: Solve for x
    x = 71,913,625.82/8,982.90
  6. Step 6: Final answer
    x = 8,005.61

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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.