Home / 7,898.10-11,845.85-2,632.64

Finding the Fourth Proportional to 7,898.10, 11,845.85 and 2,632.64

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Solution

The fourth proportional to 7,898.10, 11,845.85 and 2,632.64 is: 3,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.10 : 11,845.85 = 2,632.64 : x
  2. Step 2: Convert to fraction form
    7,898.10/11,845.85 = 2,632.64/x
  3. Step 3: Cross multiply
    7,898.10x = 11,845.85 × 2,632.64
  4. Step 4: Simplify right side
    7,898.10x = 31,185,894.74
  5. Step 5: Solve for x
    x = 31,185,894.74/7,898.10
  6. Step 6: Final answer
    x = 3,948.53

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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.