Home / 8,766.72-12,097.62-4,787.07

Finding the Fourth Proportional to 8,766.72, 12,097.62 and 4,787.07

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Solution

The fourth proportional to 8,766.72, 12,097.62 and 4,787.07 is: 6,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.72 : 12,097.62 = 4,787.07 : x
  2. Step 2: Convert to fraction form
    8,766.72/12,097.62 = 4,787.07/x
  3. Step 3: Cross multiply
    8,766.72x = 12,097.62 × 4,787.07
  4. Step 4: Simplify right side
    8,766.72x = 57,912,153.77
  5. Step 5: Solve for x
    x = 57,912,153.77/8,766.72
  6. Step 6: Final answer
    x = 6,605.91

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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.