Home / 6,246.18-8,619.12-3,451.68

Finding the Fourth Proportional to 6,246.18, 8,619.12 and 3,451.68

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Solution

The fourth proportional to 6,246.18, 8,619.12 and 3,451.68 is: 4,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.18 : 8,619.12 = 3,451.68 : x
  2. Step 2: Convert to fraction form
    6,246.18/8,619.12 = 3,451.68/x
  3. Step 3: Cross multiply
    6,246.18x = 8,619.12 × 3,451.68
  4. Step 4: Simplify right side
    6,246.18x = 29,750,444.12
  5. Step 5: Solve for x
    x = 29,750,444.12/6,246.18
  6. Step 6: Final answer
    x = 4,762.98

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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.