Home / 6,418.52-9,632.82-3,298.40

Finding the Fourth Proportional to 6,418.52, 9,632.82 and 3,298.40

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Solution

The fourth proportional to 6,418.52, 9,632.82 and 3,298.40 is: 4,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.52 : 9,632.82 = 3,298.40 : x
  2. Step 2: Convert to fraction form
    6,418.52/9,632.82 = 3,298.40/x
  3. Step 3: Cross multiply
    6,418.52x = 9,632.82 × 3,298.40
  4. Step 4: Simplify right side
    6,418.52x = 31,772,893.49
  5. Step 5: Solve for x
    x = 31,772,893.49/6,418.52
  6. Step 6: Final answer
    x = 4,950.19

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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.