Home / 10,752.43-16,128.65-6,076.81

Finding the Fourth Proportional to 10,752.43, 16,128.65 and 6,076.81

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Solution

The fourth proportional to 10,752.43, 16,128.65 and 6,076.81 is: 9,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.43 : 16,128.65 = 6,076.81 : x
  2. Step 2: Convert to fraction form
    10,752.43/16,128.65 = 6,076.81/x
  3. Step 3: Cross multiply
    10,752.43x = 16,128.65 × 6,076.81
  4. Step 4: Simplify right side
    10,752.43x = 98,010,670.90
  5. Step 5: Solve for x
    x = 98,010,670.90/10,752.43
  6. Step 6: Final answer
    x = 9,115.21

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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.