Home / 6,382.04-8,808.30-4,112.74

Finding the Fourth Proportional to 6,382.04, 8,808.30 and 4,112.74

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Solution

The fourth proportional to 6,382.04, 8,808.30 and 4,112.74 is: 5,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.04 : 8,808.30 = 4,112.74 : x
  2. Step 2: Convert to fraction form
    6,382.04/8,808.30 = 4,112.74/x
  3. Step 3: Cross multiply
    6,382.04x = 8,808.30 × 4,112.74
  4. Step 4: Simplify right side
    6,382.04x = 36,226,247.74
  5. Step 5: Solve for x
    x = 36,226,247.74/6,382.04
  6. Step 6: Final answer
    x = 5,676.28

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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.