Home / 10,114.08-15,168.96-3,186.96

Finding the Fourth Proportional to 10,114.08, 15,168.96 and 3,186.96

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Solution

The fourth proportional to 10,114.08, 15,168.96 and 3,186.96 is: 4,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.08 : 15,168.96 = 3,186.96 : x
  2. Step 2: Convert to fraction form
    10,114.08/15,168.96 = 3,186.96/x
  3. Step 3: Cross multiply
    10,114.08x = 15,168.96 × 3,186.96
  4. Step 4: Simplify right side
    10,114.08x = 48,342,868.76
  5. Step 5: Solve for x
    x = 48,342,868.76/10,114.08
  6. Step 6: Final answer
    x = 4,779.76

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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.