Home / 7,974.02-11,003.98-4,616.98

Finding the Fourth Proportional to 7,974.02, 11,003.98 and 4,616.98

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Solution

The fourth proportional to 7,974.02, 11,003.98 and 4,616.98 is: 6,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.02 : 11,003.98 = 4,616.98 : x
  2. Step 2: Convert to fraction form
    7,974.02/11,003.98 = 4,616.98/x
  3. Step 3: Cross multiply
    7,974.02x = 11,003.98 × 4,616.98
  4. Step 4: Simplify right side
    7,974.02x = 50,805,155.58
  5. Step 5: Solve for x
    x = 50,805,155.58/7,974.02
  6. Step 6: Final answer
    x = 6,371.34

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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.