Home / 10,462.11-15,694.53-3,887.45

Finding the Fourth Proportional to 10,462.11, 15,694.53 and 3,887.45

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Solution

The fourth proportional to 10,462.11, 15,694.53 and 3,887.45 is: 5,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.11 : 15,694.53 = 3,887.45 : x
  2. Step 2: Convert to fraction form
    10,462.11/15,694.53 = 3,887.45/x
  3. Step 3: Cross multiply
    10,462.11x = 15,694.53 × 3,887.45
  4. Step 4: Simplify right side
    10,462.11x = 61,011,622.18
  5. Step 5: Solve for x
    x = 61,011,622.18/10,462.11
  6. Step 6: Final answer
    x = 5,831.67

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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.