Home / 10,722.34-16,083.40-4,395.81

Finding the Fourth Proportional to 10,722.34, 16,083.40 and 4,395.81

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Solution

The fourth proportional to 10,722.34, 16,083.40 and 4,395.81 is: 6,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.34 : 16,083.40 = 4,395.81 : x
  2. Step 2: Convert to fraction form
    10,722.34/16,083.40 = 4,395.81/x
  3. Step 3: Cross multiply
    10,722.34x = 16,083.40 × 4,395.81
  4. Step 4: Simplify right side
    10,722.34x = 70,699,551.32
  5. Step 5: Solve for x
    x = 70,699,551.32/10,722.34
  6. Step 6: Final answer
    x = 6,593.67

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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.