Home / 7,887.95-11,837.79-3,729.23

Finding the Fourth Proportional to 7,887.95, 11,837.79 and 3,729.23

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Solution

The fourth proportional to 7,887.95, 11,837.79 and 3,729.23 is: 5,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.95 : 11,837.79 = 3,729.23 : x
  2. Step 2: Convert to fraction form
    7,887.95/11,837.79 = 3,729.23/x
  3. Step 3: Cross multiply
    7,887.95x = 11,837.79 × 3,729.23
  4. Step 4: Simplify right side
    7,887.95x = 44,145,841.60
  5. Step 5: Solve for x
    x = 44,145,841.60/7,887.95
  6. Step 6: Final answer
    x = 5,596.62

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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.