Home / 10,042.48-15,063.81-2,647.99

Finding the Fourth Proportional to 10,042.48, 15,063.81 and 2,647.99

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Solution

The fourth proportional to 10,042.48, 15,063.81 and 2,647.99 is: 3,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.48 : 15,063.81 = 2,647.99 : x
  2. Step 2: Convert to fraction form
    10,042.48/15,063.81 = 2,647.99/x
  3. Step 3: Cross multiply
    10,042.48x = 15,063.81 × 2,647.99
  4. Step 4: Simplify right side
    10,042.48x = 39,888,818.24
  5. Step 5: Solve for x
    x = 39,888,818.24/10,042.48
  6. Step 6: Final answer
    x = 3,972.01

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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.