Home / 10,516.56-15,775.65-6,134.46

Finding the Fourth Proportional to 10,516.56, 15,775.65 and 6,134.46

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Solution

The fourth proportional to 10,516.56, 15,775.65 and 6,134.46 is: 9,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.56 : 15,775.65 = 6,134.46 : x
  2. Step 2: Convert to fraction form
    10,516.56/15,775.65 = 6,134.46/x
  3. Step 3: Cross multiply
    10,516.56x = 15,775.65 × 6,134.46
  4. Step 4: Simplify right side
    10,516.56x = 96,775,093.90
  5. Step 5: Solve for x
    x = 96,775,093.90/10,516.56
  6. Step 6: Final answer
    x = 9,202.16

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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.