Home / 6,616.06-9,130.12-3,631.94

Finding the Fourth Proportional to 6,616.06, 9,130.12 and 3,631.94

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Solution

The fourth proportional to 6,616.06, 9,130.12 and 3,631.94 is: 5,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.06 : 9,130.12 = 3,631.94 : x
  2. Step 2: Convert to fraction form
    6,616.06/9,130.12 = 3,631.94/x
  3. Step 3: Cross multiply
    6,616.06x = 9,130.12 × 3,631.94
  4. Step 4: Simplify right side
    6,616.06x = 33,160,029.87
  5. Step 5: Solve for x
    x = 33,160,029.87/6,616.06
  6. Step 6: Final answer
    x = 5,012.05

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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.