Home / 11,611.03-16,018.70-6,574.09

Finding the Fourth Proportional to 11,611.03, 16,018.70 and 6,574.09

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Solution

The fourth proportional to 11,611.03, 16,018.70 and 6,574.09 is: 9,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.03 : 16,018.70 = 6,574.09 : x
  2. Step 2: Convert to fraction form
    11,611.03/16,018.70 = 6,574.09/x
  3. Step 3: Cross multiply
    11,611.03x = 16,018.70 × 6,574.09
  4. Step 4: Simplify right side
    11,611.03x = 105,308,375.48
  5. Step 5: Solve for x
    x = 105,308,375.48/11,611.03
  6. Step 6: Final answer
    x = 9,069.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.