Home / 12,148.15-16,769.15-9,496.42

Finding the Fourth Proportional to 12,148.15, 16,769.15 and 9,496.42

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Solution

The fourth proportional to 12,148.15, 16,769.15 and 9,496.42 is: 13,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.15 : 16,769.15 = 9,496.42 : x
  2. Step 2: Convert to fraction form
    12,148.15/16,769.15 = 9,496.42/x
  3. Step 3: Cross multiply
    12,148.15x = 16,769.15 × 9,496.42
  4. Step 4: Simplify right side
    12,148.15x = 159,246,891.44
  5. Step 5: Solve for x
    x = 159,246,891.44/12,148.15
  6. Step 6: Final answer
    x = 13,108.74

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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.