Home / 8,480.42-11,703.58-4,703.95

Finding the Fourth Proportional to 8,480.42, 11,703.58 and 4,703.95

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Solution

The fourth proportional to 8,480.42, 11,703.58 and 4,703.95 is: 6,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.42 : 11,703.58 = 4,703.95 : x
  2. Step 2: Convert to fraction form
    8,480.42/11,703.58 = 4,703.95/x
  3. Step 3: Cross multiply
    8,480.42x = 11,703.58 × 4,703.95
  4. Step 4: Simplify right side
    8,480.42x = 55,052,996.62
  5. Step 5: Solve for x
    x = 55,052,996.62/8,480.42
  6. Step 6: Final answer
    x = 6,491.78

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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.