Home / 10,752.17-16,130.49-5,418.34

Finding the Fourth Proportional to 10,752.17, 16,130.49 and 5,418.34

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Solution

The fourth proportional to 10,752.17, 16,130.49 and 5,418.34 is: 8,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.17 : 16,130.49 = 5,418.34 : x
  2. Step 2: Convert to fraction form
    10,752.17/16,130.49 = 5,418.34/x
  3. Step 3: Cross multiply
    10,752.17x = 16,130.49 × 5,418.34
  4. Step 4: Simplify right side
    10,752.17x = 87,400,532.13
  5. Step 5: Solve for x
    x = 87,400,532.13/10,752.17
  6. Step 6: Final answer
    x = 8,128.64

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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.