Home / 11,631.56-17,443.80-3,312.26

Finding the Fourth Proportional to 11,631.56, 17,443.80 and 3,312.26

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Solution

The fourth proportional to 11,631.56, 17,443.80 and 3,312.26 is: 4,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.56 : 17,443.80 = 3,312.26 : x
  2. Step 2: Convert to fraction form
    11,631.56/17,443.80 = 3,312.26/x
  3. Step 3: Cross multiply
    11,631.56x = 17,443.80 × 3,312.26
  4. Step 4: Simplify right side
    11,631.56x = 57,778,400.99
  5. Step 5: Solve for x
    x = 57,778,400.99/11,631.56
  6. Step 6: Final answer
    x = 4,967.38

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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.