Home / 10,167.93-15,250.31-2,772.99

Finding the Fourth Proportional to 10,167.93, 15,250.31 and 2,772.99

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Solution

The fourth proportional to 10,167.93, 15,250.31 and 2,772.99 is: 4,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.93 : 15,250.31 = 2,772.99 : x
  2. Step 2: Convert to fraction form
    10,167.93/15,250.31 = 2,772.99/x
  3. Step 3: Cross multiply
    10,167.93x = 15,250.31 × 2,772.99
  4. Step 4: Simplify right side
    10,167.93x = 42,288,943.26
  5. Step 5: Solve for x
    x = 42,288,943.26/10,167.93
  6. Step 6: Final answer
    x = 4,159.05

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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.