Home / 8,682.25-11,981.52-4,703.39

Finding the Fourth Proportional to 8,682.25, 11,981.52 and 4,703.39

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Solution

The fourth proportional to 8,682.25, 11,981.52 and 4,703.39 is: 6,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.25 : 11,981.52 = 4,703.39 : x
  2. Step 2: Convert to fraction form
    8,682.25/11,981.52 = 4,703.39/x
  3. Step 3: Cross multiply
    8,682.25x = 11,981.52 × 4,703.39
  4. Step 4: Simplify right side
    8,682.25x = 56,353,737.84
  5. Step 5: Solve for x
    x = 56,353,737.84/8,682.25
  6. Step 6: Final answer
    x = 6,490.69

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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.