Home / 7,209.46-9,949.75-4,376.18

Finding the Fourth Proportional to 7,209.46, 9,949.75 and 4,376.18

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Solution

The fourth proportional to 7,209.46, 9,949.75 and 4,376.18 is: 6,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.46 : 9,949.75 = 4,376.18 : x
  2. Step 2: Convert to fraction form
    7,209.46/9,949.75 = 4,376.18/x
  3. Step 3: Cross multiply
    7,209.46x = 9,949.75 × 4,376.18
  4. Step 4: Simplify right side
    7,209.46x = 43,541,932.77
  5. Step 5: Solve for x
    x = 43,541,932.77/7,209.46
  6. Step 6: Final answer
    x = 6,039.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.