Home / 12,641.10-18,964.08-4,849.32

Finding the Fourth Proportional to 12,641.10, 18,964.08 and 4,849.32

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Solution

The fourth proportional to 12,641.10, 18,964.08 and 4,849.32 is: 7,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641.10 : 18,964.08 = 4,849.32 : x
  2. Step 2: Convert to fraction form
    12,641.10/18,964.08 = 4,849.32/x
  3. Step 3: Cross multiply
    12,641.10x = 18,964.08 × 4,849.32
  4. Step 4: Simplify right side
    12,641.10x = 91,962,892.43
  5. Step 5: Solve for x
    x = 91,962,892.43/12,641.10
  6. Step 6: Final answer
    x = 7,274.91

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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.