Home / 11,472.39-17,211.60-3,681.39

Finding the Fourth Proportional to 11,472.39, 17,211.60 and 3,681.39

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Solution

The fourth proportional to 11,472.39, 17,211.60 and 3,681.39 is: 5,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.39 : 17,211.60 = 3,681.39 : x
  2. Step 2: Convert to fraction form
    11,472.39/17,211.60 = 3,681.39/x
  3. Step 3: Cross multiply
    11,472.39x = 17,211.60 × 3,681.39
  4. Step 4: Simplify right side
    11,472.39x = 63,362,612.12
  5. Step 5: Solve for x
    x = 63,362,612.12/11,472.39
  6. Step 6: Final answer
    x = 5,523.05

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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.