Home / 12,470.88-18,694.80-4,674.72

Finding the Fourth Proportional to 12,470.88, 18,694.80 and 4,674.72

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Solution

The fourth proportional to 12,470.88, 18,694.80 and 4,674.72 is: 7,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.88 : 18,694.80 = 4,674.72 : x
  2. Step 2: Convert to fraction form
    12,470.88/18,694.80 = 4,674.72/x
  3. Step 3: Cross multiply
    12,470.88x = 18,694.80 × 4,674.72
  4. Step 4: Simplify right side
    12,470.88x = 87,392,955.46
  5. Step 5: Solve for x
    x = 87,392,955.46/12,470.88
  6. Step 6: Final answer
    x = 7,007.76

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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.