Home / 7,945.71-11,916.56-3,267.02

Finding the Fourth Proportional to 7,945.71, 11,916.56 and 3,267.02

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Solution

The fourth proportional to 7,945.71, 11,916.56 and 3,267.02 is: 4,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.71 : 11,916.56 = 3,267.02 : x
  2. Step 2: Convert to fraction form
    7,945.71/11,916.56 = 3,267.02/x
  3. Step 3: Cross multiply
    7,945.71x = 11,916.56 × 3,267.02
  4. Step 4: Simplify right side
    7,945.71x = 38,931,677.81
  5. Step 5: Solve for x
    x = 38,931,677.81/7,945.71
  6. Step 6: Final answer
    x = 4,899.71

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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.