Home / 7,486.09-11,230.35-2,290.75

Finding the Fourth Proportional to 7,486.09, 11,230.35 and 2,290.75

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Solution

The fourth proportional to 7,486.09, 11,230.35 and 2,290.75 is: 3,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.09 : 11,230.35 = 2,290.75 : x
  2. Step 2: Convert to fraction form
    7,486.09/11,230.35 = 2,290.75/x
  3. Step 3: Cross multiply
    7,486.09x = 11,230.35 × 2,290.75
  4. Step 4: Simplify right side
    7,486.09x = 25,725,924.26
  5. Step 5: Solve for x
    x = 25,725,924.26/7,486.09
  6. Step 6: Final answer
    x = 3,436.50

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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.