Home / 7,656.72-11,482.64-2,461.38

Finding the Fourth Proportional to 7,656.72, 11,482.64 and 2,461.38

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Solution

The fourth proportional to 7,656.72, 11,482.64 and 2,461.38 is: 3,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.72 : 11,482.64 = 2,461.38 : x
  2. Step 2: Convert to fraction form
    7,656.72/11,482.64 = 2,461.38/x
  3. Step 3: Cross multiply
    7,656.72x = 11,482.64 × 2,461.38
  4. Step 4: Simplify right side
    7,656.72x = 28,263,140.44
  5. Step 5: Solve for x
    x = 28,263,140.44/7,656.72
  6. Step 6: Final answer
    x = 3,691.29

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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.