Home / 10,287.81-15,426.99-4,043.25

Finding the Fourth Proportional to 10,287.81, 15,426.99 and 4,043.25

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Solution

The fourth proportional to 10,287.81, 15,426.99 and 4,043.25 is: 6,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.81 : 15,426.99 = 4,043.25 : x
  2. Step 2: Convert to fraction form
    10,287.81/15,426.99 = 4,043.25/x
  3. Step 3: Cross multiply
    10,287.81x = 15,426.99 × 4,043.25
  4. Step 4: Simplify right side
    10,287.81x = 62,375,177.32
  5. Step 5: Solve for x
    x = 62,375,177.32/10,287.81
  6. Step 6: Final answer
    x = 6,063.02

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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.