Home / 7,863.42-10,851.28-4,326.63

Finding the Fourth Proportional to 7,863.42, 10,851.28 and 4,326.63

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Solution

The fourth proportional to 7,863.42, 10,851.28 and 4,326.63 is: 5,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.42 : 10,851.28 = 4,326.63 : x
  2. Step 2: Convert to fraction form
    7,863.42/10,851.28 = 4,326.63/x
  3. Step 3: Cross multiply
    7,863.42x = 10,851.28 × 4,326.63
  4. Step 4: Simplify right side
    7,863.42x = 46,949,473.59
  5. Step 5: Solve for x
    x = 46,949,473.59/7,863.42
  6. Step 6: Final answer
    x = 5,970.62

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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.