Home / 10,669.05-14,731.17-6,894.45

Finding the Fourth Proportional to 10,669.05, 14,731.17 and 6,894.45

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Solution

The fourth proportional to 10,669.05, 14,731.17 and 6,894.45 is: 9,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.05 : 14,731.17 = 6,894.45 : x
  2. Step 2: Convert to fraction form
    10,669.05/14,731.17 = 6,894.45/x
  3. Step 3: Cross multiply
    10,669.05x = 14,731.17 × 6,894.45
  4. Step 4: Simplify right side
    10,669.05x = 101,563,289.15
  5. Step 5: Solve for x
    x = 101,563,289.15/10,669.05
  6. Step 6: Final answer
    x = 9,519.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.