Home / 9,611.12-14,406.78-3,686.38

Finding the Fourth Proportional to 9,611.12, 14,406.78 and 3,686.38

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Solution

The fourth proportional to 9,611.12, 14,406.78 and 3,686.38 is: 5,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.12 : 14,406.78 = 3,686.38 : x
  2. Step 2: Convert to fraction form
    9,611.12/14,406.78 = 3,686.38/x
  3. Step 3: Cross multiply
    9,611.12x = 14,406.78 × 3,686.38
  4. Step 4: Simplify right side
    9,611.12x = 53,108,865.66
  5. Step 5: Solve for x
    x = 53,108,865.66/9,611.12
  6. Step 6: Final answer
    x = 5,525.77

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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.