Home / 11,405.92-17,085.72-9,551.80

Finding the Fourth Proportional to 11,405.92, 17,085.72 and 9,551.80

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Solution

The fourth proportional to 11,405.92, 17,085.72 and 9,551.80 is: 14,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.92 : 17,085.72 = 9,551.80 : x
  2. Step 2: Convert to fraction form
    11,405.92/17,085.72 = 9,551.80/x
  3. Step 3: Cross multiply
    11,405.92x = 17,085.72 × 9,551.80
  4. Step 4: Simplify right side
    11,405.92x = 163,199,380.30
  5. Step 5: Solve for x
    x = 163,199,380.30/11,405.92
  6. Step 6: Final answer
    x = 14,308.30

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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.