Home / 10,463.54-15,695.30-3,891.38

Finding the Fourth Proportional to 10,463.54, 15,695.30 and 3,891.38

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Solution

The fourth proportional to 10,463.54, 15,695.30 and 3,891.38 is: 5,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.54 : 15,695.30 = 3,891.38 : x
  2. Step 2: Convert to fraction form
    10,463.54/15,695.30 = 3,891.38/x
  3. Step 3: Cross multiply
    10,463.54x = 15,695.30 × 3,891.38
  4. Step 4: Simplify right side
    10,463.54x = 61,076,376.51
  5. Step 5: Solve for x
    x = 61,076,376.51/10,463.54
  6. Step 6: Final answer
    x = 5,837.07

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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.