Home / 6,315.15-9,473.28-1,635.12

Finding the Fourth Proportional to 6,315.15, 9,473.28 and 1,635.12

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Solution

The fourth proportional to 6,315.15, 9,473.28 and 1,635.12 is: 2,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.15 : 9,473.28 = 1,635.12 : x
  2. Step 2: Convert to fraction form
    6,315.15/9,473.28 = 1,635.12/x
  3. Step 3: Cross multiply
    6,315.15x = 9,473.28 × 1,635.12
  4. Step 4: Simplify right side
    6,315.15x = 15,489,949.59
  5. Step 5: Solve for x
    x = 15,489,949.59/6,315.15
  6. Step 6: Final answer
    x = 2,452.82

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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.