Home / 7,931.56-11,900.42-3,004.66

Finding the Fourth Proportional to 7,931.56, 11,900.42 and 3,004.66

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Solution

The fourth proportional to 7,931.56, 11,900.42 and 3,004.66 is: 4,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.56 : 11,900.42 = 3,004.66 : x
  2. Step 2: Convert to fraction form
    7,931.56/11,900.42 = 3,004.66/x
  3. Step 3: Cross multiply
    7,931.56x = 11,900.42 × 3,004.66
  4. Step 4: Simplify right side
    7,931.56x = 35,756,715.96
  5. Step 5: Solve for x
    x = 35,756,715.96/7,931.56
  6. Step 6: Final answer
    x = 4,508.16

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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.