Home / 11,499.12-17,246.40-5,257.44

Finding the Fourth Proportional to 11,499.12, 17,246.40 and 5,257.44

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Solution

The fourth proportional to 11,499.12, 17,246.40 and 5,257.44 is: 7,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.12 : 17,246.40 = 5,257.44 : x
  2. Step 2: Convert to fraction form
    11,499.12/17,246.40 = 5,257.44/x
  3. Step 3: Cross multiply
    11,499.12x = 17,246.40 × 5,257.44
  4. Step 4: Simplify right side
    11,499.12x = 90,671,913.22
  5. Step 5: Solve for x
    x = 90,671,913.22/11,499.12
  6. Step 6: Final answer
    x = 7,885.12

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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.