Home / 7,588.46-11,380.85-3,888.78

Finding the Fourth Proportional to 7,588.46, 11,380.85 and 3,888.78

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Solution

The fourth proportional to 7,588.46, 11,380.85 and 3,888.78 is: 5,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.46 : 11,380.85 = 3,888.78 : x
  2. Step 2: Convert to fraction form
    7,588.46/11,380.85 = 3,888.78/x
  3. Step 3: Cross multiply
    7,588.46x = 11,380.85 × 3,888.78
  4. Step 4: Simplify right side
    7,588.46x = 44,257,602.42
  5. Step 5: Solve for x
    x = 44,257,602.42/7,588.46
  6. Step 6: Final answer
    x = 5,832.23

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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.