Home / 9,966.71-14,949.99-2,570.54

Finding the Fourth Proportional to 9,966.71, 14,949.99 and 2,570.54

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Solution

The fourth proportional to 9,966.71, 14,949.99 and 2,570.54 is: 3,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.71 : 14,949.99 = 2,570.54 : x
  2. Step 2: Convert to fraction form
    9,966.71/14,949.99 = 2,570.54/x
  3. Step 3: Cross multiply
    9,966.71x = 14,949.99 × 2,570.54
  4. Step 4: Simplify right side
    9,966.71x = 38,429,472.54
  5. Step 5: Solve for x
    x = 38,429,472.54/9,966.71
  6. Step 6: Final answer
    x = 3,855.78

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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.