Home / 8,198.02-11,312.35-4,612.28

Finding the Fourth Proportional to 8,198.02, 11,312.35 and 4,612.28

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Solution

The fourth proportional to 8,198.02, 11,312.35 and 4,612.28 is: 6,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.02 : 11,312.35 = 4,612.28 : x
  2. Step 2: Convert to fraction form
    8,198.02/11,312.35 = 4,612.28/x
  3. Step 3: Cross multiply
    8,198.02x = 11,312.35 × 4,612.28
  4. Step 4: Simplify right side
    8,198.02x = 52,175,742.41
  5. Step 5: Solve for x
    x = 52,175,742.41/8,198.02
  6. Step 6: Final answer
    x = 6,364.43

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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.