Home / 11,987.32-16,544.52-8,852.56

Finding the Fourth Proportional to 11,987.32, 16,544.52 and 8,852.56

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Solution

The fourth proportional to 11,987.32, 16,544.52 and 8,852.56 is: 12,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.32 : 16,544.52 = 8,852.56 : x
  2. Step 2: Convert to fraction form
    11,987.32/16,544.52 = 8,852.56/x
  3. Step 3: Cross multiply
    11,987.32x = 16,544.52 × 8,852.56
  4. Step 4: Simplify right side
    11,987.32x = 146,461,355.97
  5. Step 5: Solve for x
    x = 146,461,355.97/11,987.32
  6. Step 6: Final answer
    x = 12,218.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.