Home / 11,437.20-17,168.07-10,129.05

Finding the Fourth Proportional to 11,437.20, 17,168.07 and 10,129.05

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Solution

The fourth proportional to 11,437.20, 17,168.07 and 10,129.05 is: 15,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.20 : 17,168.07 = 10,129.05 : x
  2. Step 2: Convert to fraction form
    11,437.20/17,168.07 = 10,129.05/x
  3. Step 3: Cross multiply
    11,437.20x = 17,168.07 × 10,129.05
  4. Step 4: Simplify right side
    11,437.20x = 173,896,239.43
  5. Step 5: Solve for x
    x = 173,896,239.43/11,437.20
  6. Step 6: Final answer
    x = 15,204.44

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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.