Home / 10,741.68-16,124.30-8,534.70

Finding the Fourth Proportional to 10,741.68, 16,124.30 and 8,534.70

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Solution

The fourth proportional to 10,741.68, 16,124.30 and 8,534.70 is: 12,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.68 : 16,124.30 = 8,534.70 : x
  2. Step 2: Convert to fraction form
    10,741.68/16,124.30 = 8,534.70/x
  3. Step 3: Cross multiply
    10,741.68x = 16,124.30 × 8,534.70
  4. Step 4: Simplify right side
    10,741.68x = 137,616,020.54
  5. Step 5: Solve for x
    x = 137,616,020.54/10,741.68
  6. Step 6: Final answer
    x = 12,811.41

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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.