Home / 6,949.80-9,583.20-4,959.54

Finding the Fourth Proportional to 6,949.80, 9,583.20 and 4,959.54

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Solution

The fourth proportional to 6,949.80, 9,583.20 and 4,959.54 is: 6,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.80 : 9,583.20 = 4,959.54 : x
  2. Step 2: Convert to fraction form
    6,949.80/9,583.20 = 4,959.54/x
  3. Step 3: Cross multiply
    6,949.80x = 9,583.20 × 4,959.54
  4. Step 4: Simplify right side
    6,949.80x = 47,528,263.73
  5. Step 5: Solve for x
    x = 47,528,263.73/6,949.80
  6. Step 6: Final answer
    x = 6,838.80

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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.