Home / 7,863.52-10,851.66-4,719.73

Finding the Fourth Proportional to 7,863.52, 10,851.66 and 4,719.73

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Solution

The fourth proportional to 7,863.52, 10,851.66 and 4,719.73 is: 6,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.52 : 10,851.66 = 4,719.73 : x
  2. Step 2: Convert to fraction form
    7,863.52/10,851.66 = 4,719.73/x
  3. Step 3: Cross multiply
    7,863.52x = 10,851.66 × 4,719.73
  4. Step 4: Simplify right side
    7,863.52x = 51,216,905.25
  5. Step 5: Solve for x
    x = 51,216,905.25/7,863.52
  6. Step 6: Final answer
    x = 6,513.23

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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.