Home / 7,186.62-10,779.90-2,256.65

Finding the Fourth Proportional to 7,186.62, 10,779.90 and 2,256.65

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Solution

The fourth proportional to 7,186.62, 10,779.90 and 2,256.65 is: 3,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.62 : 10,779.90 = 2,256.65 : x
  2. Step 2: Convert to fraction form
    7,186.62/10,779.90 = 2,256.65/x
  3. Step 3: Cross multiply
    7,186.62x = 10,779.90 × 2,256.65
  4. Step 4: Simplify right side
    7,186.62x = 24,326,461.34
  5. Step 5: Solve for x
    x = 24,326,461.34/7,186.62
  6. Step 6: Final answer
    x = 3,384.97

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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.