Home / 10,545.49-15,817.69-3,150.01

Finding the Fourth Proportional to 10,545.49, 15,817.69 and 3,150.01

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Solution

The fourth proportional to 10,545.49, 15,817.69 and 3,150.01 is: 4,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.49 : 15,817.69 = 3,150.01 : x
  2. Step 2: Convert to fraction form
    10,545.49/15,817.69 = 3,150.01/x
  3. Step 3: Cross multiply
    10,545.49x = 15,817.69 × 3,150.01
  4. Step 4: Simplify right side
    10,545.49x = 49,825,881.68
  5. Step 5: Solve for x
    x = 49,825,881.68/10,545.49
  6. Step 6: Final answer
    x = 4,724.85

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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.