Home / 11,361.83-15,679.85-6,326.10

Finding the Fourth Proportional to 11,361.83, 15,679.85 and 6,326.10

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Solution

The fourth proportional to 11,361.83, 15,679.85 and 6,326.10 is: 8,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.83 : 15,679.85 = 6,326.10 : x
  2. Step 2: Convert to fraction form
    11,361.83/15,679.85 = 6,326.10/x
  3. Step 3: Cross multiply
    11,361.83x = 15,679.85 × 6,326.10
  4. Step 4: Simplify right side
    11,361.83x = 99,192,267.45
  5. Step 5: Solve for x
    x = 99,192,267.45/11,361.83
  6. Step 6: Final answer
    x = 8,730.31

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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.