Home / 10,516.88-15,775.11-2,725.49

Finding the Fourth Proportional to 10,516.88, 15,775.11 and 2,725.49

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Solution

The fourth proportional to 10,516.88, 15,775.11 and 2,725.49 is: 4,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.88 : 15,775.11 = 2,725.49 : x
  2. Step 2: Convert to fraction form
    10,516.88/15,775.11 = 2,725.49/x
  3. Step 3: Cross multiply
    10,516.88x = 15,775.11 × 2,725.49
  4. Step 4: Simplify right side
    10,516.88x = 42,994,943.99
  5. Step 5: Solve for x
    x = 42,994,943.99/10,516.88
  6. Step 6: Final answer
    x = 4,088.18

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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.