Home / 11,245.80-16,873.56-5,404.08

Finding the Fourth Proportional to 11,245.80, 16,873.56 and 5,404.08

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Solution

The fourth proportional to 11,245.80, 16,873.56 and 5,404.08 is: 8,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.80 : 16,873.56 = 5,404.08 : x
  2. Step 2: Convert to fraction form
    11,245.80/16,873.56 = 5,404.08/x
  3. Step 3: Cross multiply
    11,245.80x = 16,873.56 × 5,404.08
  4. Step 4: Simplify right side
    11,245.80x = 91,186,068.12
  5. Step 5: Solve for x
    x = 91,186,068.12/11,245.80
  6. Step 6: Final answer
    x = 8,108.46

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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.