Home / 8,792.20-12,133.29-4,813.68

Finding the Fourth Proportional to 8,792.20, 12,133.29 and 4,813.68

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Solution

The fourth proportional to 8,792.20, 12,133.29 and 4,813.68 is: 6,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.20 : 12,133.29 = 4,813.68 : x
  2. Step 2: Convert to fraction form
    8,792.20/12,133.29 = 4,813.68/x
  3. Step 3: Cross multiply
    8,792.20x = 12,133.29 × 4,813.68
  4. Step 4: Simplify right side
    8,792.20x = 58,405,770.71
  5. Step 5: Solve for x
    x = 58,405,770.71/8,792.20
  6. Step 6: Final answer
    x = 6,642.91

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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.