Home / 11,522.12-17,280.30-3,314.12

Finding the Fourth Proportional to 11,522.12, 17,280.30 and 3,314.12

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Solution

The fourth proportional to 11,522.12, 17,280.30 and 3,314.12 is: 4,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.12 : 17,280.30 = 3,314.12 : x
  2. Step 2: Convert to fraction form
    11,522.12/17,280.30 = 3,314.12/x
  3. Step 3: Cross multiply
    11,522.12x = 17,280.30 × 3,314.12
  4. Step 4: Simplify right side
    11,522.12x = 57,268,987.84
  5. Step 5: Solve for x
    x = 57,268,987.84/11,522.12
  6. Step 6: Final answer
    x = 4,970.35

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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.