Home / 8,772.94-12,104.73-5,585.09

Finding the Fourth Proportional to 8,772.94, 12,104.73 and 5,585.09

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Solution

The fourth proportional to 8,772.94, 12,104.73 and 5,585.09 is: 7,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.94 : 12,104.73 = 5,585.09 : x
  2. Step 2: Convert to fraction form
    8,772.94/12,104.73 = 5,585.09/x
  3. Step 3: Cross multiply
    8,772.94x = 12,104.73 × 5,585.09
  4. Step 4: Simplify right side
    8,772.94x = 67,605,945.95
  5. Step 5: Solve for x
    x = 67,605,945.95/8,772.94
  6. Step 6: Final answer
    x = 7,706.19

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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.