Home / 10,991.02-16,488.64-3,593.48

Finding the Fourth Proportional to 10,991.02, 16,488.64 and 3,593.48

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Solution

The fourth proportional to 10,991.02, 16,488.64 and 3,593.48 is: 5,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.02 : 16,488.64 = 3,593.48 : x
  2. Step 2: Convert to fraction form
    10,991.02/16,488.64 = 3,593.48/x
  3. Step 3: Cross multiply
    10,991.02x = 16,488.64 × 3,593.48
  4. Step 4: Simplify right side
    10,991.02x = 59,251,598.07
  5. Step 5: Solve for x
    x = 59,251,598.07/10,991.02
  6. Step 6: Final answer
    x = 5,390.91

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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.