Home / 10,712.85-16,071.23-3,693.87

Finding the Fourth Proportional to 10,712.85, 16,071.23 and 3,693.87

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Solution

The fourth proportional to 10,712.85, 16,071.23 and 3,693.87 is: 5,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.85 : 16,071.23 = 3,693.87 : x
  2. Step 2: Convert to fraction form
    10,712.85/16,071.23 = 3,693.87/x
  3. Step 3: Cross multiply
    10,712.85x = 16,071.23 × 3,693.87
  4. Step 4: Simplify right side
    10,712.85x = 59,365,015.89
  5. Step 5: Solve for x
    x = 59,365,015.89/10,712.85
  6. Step 6: Final answer
    x = 5,541.48

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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.