Home / 10,851.16-16,278.79-7,349.22

Finding the Fourth Proportional to 10,851.16, 16,278.79 and 7,349.22

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Solution

The fourth proportional to 10,851.16, 16,278.79 and 7,349.22 is: 11,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.16 : 16,278.79 = 7,349.22 : x
  2. Step 2: Convert to fraction form
    10,851.16/16,278.79 = 7,349.22/x
  3. Step 3: Cross multiply
    10,851.16x = 16,278.79 × 7,349.22
  4. Step 4: Simplify right side
    10,851.16x = 119,636,390.67
  5. Step 5: Solve for x
    x = 119,636,390.67/10,851.16
  6. Step 6: Final answer
    x = 11,025.22

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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.