Home / 10,076.10-15,048.23-8,579.36

Finding the Fourth Proportional to 10,076.10, 15,048.23 and 8,579.36

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Solution

The fourth proportional to 10,076.10, 15,048.23 and 8,579.36 is: 12,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.10 : 15,048.23 = 8,579.36 : x
  2. Step 2: Convert to fraction form
    10,076.10/15,048.23 = 8,579.36/x
  3. Step 3: Cross multiply
    10,076.10x = 15,048.23 × 8,579.36
  4. Step 4: Simplify right side
    10,076.10x = 129,104,128.74
  5. Step 5: Solve for x
    x = 129,104,128.74/10,076.10
  6. Step 6: Final answer
    x = 12,812.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.