Home / 12,349.88-18,528.06-3,585.44

Finding the Fourth Proportional to 12,349.88, 18,528.06 and 3,585.44

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Solution

The fourth proportional to 12,349.88, 18,528.06 and 3,585.44 is: 5,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.88 : 18,528.06 = 3,585.44 : x
  2. Step 2: Convert to fraction form
    12,349.88/18,528.06 = 3,585.44/x
  3. Step 3: Cross multiply
    12,349.88x = 18,528.06 × 3,585.44
  4. Step 4: Simplify right side
    12,349.88x = 66,431,247.45
  5. Step 5: Solve for x
    x = 66,431,247.45/12,349.88
  6. Step 6: Final answer
    x = 5,379.10

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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.