Home / 10,516.11-15,775.38-2,725.53

Finding the Fourth Proportional to 10,516.11, 15,775.38 and 2,725.53

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Solution

The fourth proportional to 10,516.11, 15,775.38 and 2,725.53 is: 4,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.11 : 15,775.38 = 2,725.53 : x
  2. Step 2: Convert to fraction form
    10,516.11/15,775.38 = 2,725.53/x
  3. Step 3: Cross multiply
    10,516.11x = 15,775.38 × 2,725.53
  4. Step 4: Simplify right side
    10,516.11x = 42,996,271.45
  5. Step 5: Solve for x
    x = 42,996,271.45/10,516.11
  6. Step 6: Final answer
    x = 4,088.61

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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.