Home / 7,680.18-11,524.75-3,237.57

Finding the Fourth Proportional to 7,680.18, 11,524.75 and 3,237.57

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Solution

The fourth proportional to 7,680.18, 11,524.75 and 3,237.57 is: 4,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.18 : 11,524.75 = 3,237.57 : x
  2. Step 2: Convert to fraction form
    7,680.18/11,524.75 = 3,237.57/x
  3. Step 3: Cross multiply
    7,680.18x = 11,524.75 × 3,237.57
  4. Step 4: Simplify right side
    7,680.18x = 37,312,176.76
  5. Step 5: Solve for x
    x = 37,312,176.76/7,680.18
  6. Step 6: Final answer
    x = 4,858.25

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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.