Home / 10,242.54-15,363.27-3,316.50

Finding the Fourth Proportional to 10,242.54, 15,363.27 and 3,316.50

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Solution

The fourth proportional to 10,242.54, 15,363.27 and 3,316.50 is: 4,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.54 : 15,363.27 = 3,316.50 : x
  2. Step 2: Convert to fraction form
    10,242.54/15,363.27 = 3,316.50/x
  3. Step 3: Cross multiply
    10,242.54x = 15,363.27 × 3,316.50
  4. Step 4: Simplify right side
    10,242.54x = 50,952,284.96
  5. Step 5: Solve for x
    x = 50,952,284.96/10,242.54
  6. Step 6: Final answer
    x = 4,974.58

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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.