Home / 10,485.05-15,727.77-2,693.66

Finding the Fourth Proportional to 10,485.05, 15,727.77 and 2,693.66

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Solution

The fourth proportional to 10,485.05, 15,727.77 and 2,693.66 is: 4,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.05 : 15,727.77 = 2,693.66 : x
  2. Step 2: Convert to fraction form
    10,485.05/15,727.77 = 2,693.66/x
  3. Step 3: Cross multiply
    10,485.05x = 15,727.77 × 2,693.66
  4. Step 4: Simplify right side
    10,485.05x = 42,365,186.30
  5. Step 5: Solve for x
    x = 42,365,186.30/10,485.05
  6. Step 6: Final answer
    x = 4,040.53

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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.