Home / 7,601.31-11,405.75-4,267.49

Finding the Fourth Proportional to 7,601.31, 11,405.75 and 4,267.49

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Solution

The fourth proportional to 7,601.31, 11,405.75 and 4,267.49 is: 6,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.31 : 11,405.75 = 4,267.49 : x
  2. Step 2: Convert to fraction form
    7,601.31/11,405.75 = 4,267.49/x
  3. Step 3: Cross multiply
    7,601.31x = 11,405.75 × 4,267.49
  4. Step 4: Simplify right side
    7,601.31x = 48,673,845.70
  5. Step 5: Solve for x
    x = 48,673,845.70/7,601.31
  6. Step 6: Final answer
    x = 6,403.35

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1.5x scale

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.