Home / 7,787.83-11,693.49-4,884.79

Finding the Fourth Proportional to 7,787.83, 11,693.49 and 4,884.79

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Solution

The fourth proportional to 7,787.83, 11,693.49 and 4,884.79 is: 7,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.83 : 11,693.49 = 4,884.79 : x
  2. Step 2: Convert to fraction form
    7,787.83/11,693.49 = 4,884.79/x
  3. Step 3: Cross multiply
    7,787.83x = 11,693.49 × 4,884.79
  4. Step 4: Simplify right side
    7,787.83x = 57,120,243.02
  5. Step 5: Solve for x
    x = 57,120,243.02/7,787.83
  6. Step 6: Final answer
    x = 7,334.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.