Home / 11,611.07-17,410.74-5,688.39

Finding the Fourth Proportional to 11,611.07, 17,410.74 and 5,688.39

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Solution

The fourth proportional to 11,611.07, 17,410.74 and 5,688.39 is: 8,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.07 : 17,410.74 = 5,688.39 : x
  2. Step 2: Convert to fraction form
    11,611.07/17,410.74 = 5,688.39/x
  3. Step 3: Cross multiply
    11,611.07x = 17,410.74 × 5,688.39
  4. Step 4: Simplify right side
    11,611.07x = 99,039,079.31
  5. Step 5: Solve for x
    x = 99,039,079.31/11,611.07
  6. Step 6: Final answer
    x = 8,529.72

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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.