Home / 10,754.75-16,129.85-4,513.14

Finding the Fourth Proportional to 10,754.75, 16,129.85 and 4,513.14

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Solution

The fourth proportional to 10,754.75, 16,129.85 and 4,513.14 is: 6,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.75 : 16,129.85 = 4,513.14 : x
  2. Step 2: Convert to fraction form
    10,754.75/16,129.85 = 4,513.14/x
  3. Step 3: Cross multiply
    10,754.75x = 16,129.85 × 4,513.14
  4. Step 4: Simplify right side
    10,754.75x = 72,796,271.23
  5. Step 5: Solve for x
    x = 72,796,271.23/10,754.75
  6. Step 6: Final answer
    x = 6,768.76

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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.