Home / 11,470.44-15,828.66-6,434.04

Finding the Fourth Proportional to 11,470.44, 15,828.66 and 6,434.04

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Solution

The fourth proportional to 11,470.44, 15,828.66 and 6,434.04 is: 8,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.44 : 15,828.66 = 6,434.04 : x
  2. Step 2: Convert to fraction form
    11,470.44/15,828.66 = 6,434.04/x
  3. Step 3: Cross multiply
    11,470.44x = 15,828.66 × 6,434.04
  4. Step 4: Simplify right side
    11,470.44x = 101,842,231.59
  5. Step 5: Solve for x
    x = 101,842,231.59/11,470.44
  6. Step 6: Final answer
    x = 8,878.67

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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.