Home / 11,828.65-17,742.27-4,432.49

Finding the Fourth Proportional to 11,828.65, 17,742.27 and 4,432.49

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Solution

The fourth proportional to 11,828.65, 17,742.27 and 4,432.49 is: 6,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.65 : 17,742.27 = 4,432.49 : x
  2. Step 2: Convert to fraction form
    11,828.65/17,742.27 = 4,432.49/x
  3. Step 3: Cross multiply
    11,828.65x = 17,742.27 × 4,432.49
  4. Step 4: Simplify right side
    11,828.65x = 78,642,345.64
  5. Step 5: Solve for x
    x = 78,642,345.64/11,828.65
  6. Step 6: Final answer
    x = 6,648.47

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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.