Home / 11,911.24-17,852.28-11,619.64

Finding the Fourth Proportional to 11,911.24, 17,852.28 and 11,619.64

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Solution

The fourth proportional to 11,911.24, 17,852.28 and 11,619.64 is: 17,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.24 : 17,852.28 = 11,619.64 : x
  2. Step 2: Convert to fraction form
    11,911.24/17,852.28 = 11,619.64/x
  3. Step 3: Cross multiply
    11,911.24x = 17,852.28 × 11,619.64
  4. Step 4: Simplify right side
    11,911.24x = 207,437,066.78
  5. Step 5: Solve for x
    x = 207,437,066.78/11,911.24
  6. Step 6: Final answer
    x = 17,415.24

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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.