Home / 12,134.45-16,741.50-9,892.46

Finding the Fourth Proportional to 12,134.45, 16,741.50 and 9,892.46

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Solution

The fourth proportional to 12,134.45, 16,741.50 and 9,892.46 is: 13,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.45 : 16,741.50 = 9,892.46 : x
  2. Step 2: Convert to fraction form
    12,134.45/16,741.50 = 9,892.46/x
  3. Step 3: Cross multiply
    12,134.45x = 16,741.50 × 9,892.46
  4. Step 4: Simplify right side
    12,134.45x = 165,614,619.09
  5. Step 5: Solve for x
    x = 165,614,619.09/12,134.45
  6. Step 6: Final answer
    x = 13,648.30

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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.