Home / 10,962.66-16,420.40-7,433.31

Finding the Fourth Proportional to 10,962.66, 16,420.40 and 7,433.31

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Solution

The fourth proportional to 10,962.66, 16,420.40 and 7,433.31 is: 11,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.66 : 16,420.40 = 7,433.31 : x
  2. Step 2: Convert to fraction form
    10,962.66/16,420.40 = 7,433.31/x
  3. Step 3: Cross multiply
    10,962.66x = 16,420.40 × 7,433.31
  4. Step 4: Simplify right side
    10,962.66x = 122,057,886.36
  5. Step 5: Solve for x
    x = 122,057,886.36/10,962.66
  6. Step 6: Final answer
    x = 11,133.97

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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.