Home / 8,199.70-11,315.47-4,565.73

Finding the Fourth Proportional to 8,199.70, 11,315.47 and 4,565.73

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Solution

The fourth proportional to 8,199.70, 11,315.47 and 4,565.73 is: 6,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.70 : 11,315.47 = 4,565.73 : x
  2. Step 2: Convert to fraction form
    8,199.70/11,315.47 = 4,565.73/x
  3. Step 3: Cross multiply
    8,199.70x = 11,315.47 × 4,565.73
  4. Step 4: Simplify right side
    8,199.70x = 51,663,314.59
  5. Step 5: Solve for x
    x = 51,663,314.59/8,199.70
  6. Step 6: Final answer
    x = 6,300.63

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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.