Home / 10,936.31-16,401.02-3,539.05

Finding the Fourth Proportional to 10,936.31, 16,401.02 and 3,539.05

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Solution

The fourth proportional to 10,936.31, 16,401.02 and 3,539.05 is: 5,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.31 : 16,401.02 = 3,539.05 : x
  2. Step 2: Convert to fraction form
    10,936.31/16,401.02 = 3,539.05/x
  3. Step 3: Cross multiply
    10,936.31x = 16,401.02 × 3,539.05
  4. Step 4: Simplify right side
    10,936.31x = 58,043,971.13
  5. Step 5: Solve for x
    x = 58,043,971.13/10,936.31
  6. Step 6: Final answer
    x = 5,307.46

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1.5x scale

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.