Home / 12,884.56-17,779.62-11,944.24

Finding the Fourth Proportional to 12,884.56, 17,779.62 and 11,944.24

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Solution

The fourth proportional to 12,884.56, 17,779.62 and 11,944.24 is: 16,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.56 : 17,779.62 = 11,944.24 : x
  2. Step 2: Convert to fraction form
    12,884.56/17,779.62 = 11,944.24/x
  3. Step 3: Cross multiply
    12,884.56x = 17,779.62 × 11,944.24
  4. Step 4: Simplify right side
    12,884.56x = 212,364,048.39
  5. Step 5: Solve for x
    x = 212,364,048.39/12,884.56
  6. Step 6: Final answer
    x = 16,482.06

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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.