Home / 11,551.12-15,940.54-6,245.94

Finding the Fourth Proportional to 11,551.12, 15,940.54 and 6,245.94

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Solution

The fourth proportional to 11,551.12, 15,940.54 and 6,245.94 is: 8,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.12 : 15,940.54 = 6,245.94 : x
  2. Step 2: Convert to fraction form
    11,551.12/15,940.54 = 6,245.94/x
  3. Step 3: Cross multiply
    11,551.12x = 15,940.54 × 6,245.94
  4. Step 4: Simplify right side
    11,551.12x = 99,563,656.41
  5. Step 5: Solve for x
    x = 99,563,656.41/11,551.12
  6. Step 6: Final answer
    x = 8,619.39

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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.