Home / 7,913.59-11,874.51-5,740.26

Finding the Fourth Proportional to 7,913.59, 11,874.51 and 5,740.26

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Solution

The fourth proportional to 7,913.59, 11,874.51 and 5,740.26 is: 8,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.59 : 11,874.51 = 5,740.26 : x
  2. Step 2: Convert to fraction form
    7,913.59/11,874.51 = 5,740.26/x
  3. Step 3: Cross multiply
    7,913.59x = 11,874.51 × 5,740.26
  4. Step 4: Simplify right side
    7,913.59x = 68,162,774.77
  5. Step 5: Solve for x
    x = 68,162,774.77/7,913.59
  6. Step 6: Final answer
    x = 8,613.38

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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.