Home / 10,712.32-16,071.24-4,470.28

Finding the Fourth Proportional to 10,712.32, 16,071.24 and 4,470.28

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Solution

The fourth proportional to 10,712.32, 16,071.24 and 4,470.28 is: 6,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.32 : 16,071.24 = 4,470.28 : x
  2. Step 2: Convert to fraction form
    10,712.32/16,071.24 = 4,470.28/x
  3. Step 3: Cross multiply
    10,712.32x = 16,071.24 × 4,470.28
  4. Step 4: Simplify right side
    10,712.32x = 71,842,942.75
  5. Step 5: Solve for x
    x = 71,842,942.75/10,712.32
  6. Step 6: Final answer
    x = 6,706.57

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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.