Home / 11,406.02-17,108.21-3,509.12

Finding the Fourth Proportional to 11,406.02, 17,108.21 and 3,509.12

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Solution

The fourth proportional to 11,406.02, 17,108.21 and 3,509.12 is: 5,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.02 : 17,108.21 = 3,509.12 : x
  2. Step 2: Convert to fraction form
    11,406.02/17,108.21 = 3,509.12/x
  3. Step 3: Cross multiply
    11,406.02x = 17,108.21 × 3,509.12
  4. Step 4: Simplify right side
    11,406.02x = 60,034,813.42
  5. Step 5: Solve for x
    x = 60,034,813.42/11,406.02
  6. Step 6: Final answer
    x = 5,263.43

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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.