Home / 12,299.60-16,968.56-7,575.68

Finding the Fourth Proportional to 12,299.60, 16,968.56 and 7,575.68

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Solution

The fourth proportional to 12,299.60, 16,968.56 and 7,575.68 is: 10,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.60 : 16,968.56 = 7,575.68 : x
  2. Step 2: Convert to fraction form
    12,299.60/16,968.56 = 7,575.68/x
  3. Step 3: Cross multiply
    12,299.60x = 16,968.56 × 7,575.68
  4. Step 4: Simplify right side
    12,299.60x = 128,548,257.90
  5. Step 5: Solve for x
    x = 128,548,257.90/12,299.60
  6. Step 6: Final answer
    x = 10,451.42

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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.