Home / 11,543.36-17,309.28-3,751.20

Finding the Fourth Proportional to 11,543.36, 17,309.28 and 3,751.20

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Solution

The fourth proportional to 11,543.36, 17,309.28 and 3,751.20 is: 5,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.36 : 17,309.28 = 3,751.20 : x
  2. Step 2: Convert to fraction form
    11,543.36/17,309.28 = 3,751.20/x
  3. Step 3: Cross multiply
    11,543.36x = 17,309.28 × 3,751.20
  4. Step 4: Simplify right side
    11,543.36x = 64,930,571.14
  5. Step 5: Solve for x
    x = 64,930,571.14/11,543.36
  6. Step 6: Final answer
    x = 5,624.93

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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.