Home / 11,870.25-16,380.22-6,564.94

Finding the Fourth Proportional to 11,870.25, 16,380.22 and 6,564.94

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Solution

The fourth proportional to 11,870.25, 16,380.22 and 6,564.94 is: 9,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.25 : 16,380.22 = 6,564.94 : x
  2. Step 2: Convert to fraction form
    11,870.25/16,380.22 = 6,564.94/x
  3. Step 3: Cross multiply
    11,870.25x = 16,380.22 × 6,564.94
  4. Step 4: Simplify right side
    11,870.25x = 107,535,161.49
  5. Step 5: Solve for x
    x = 107,535,161.49/11,870.25
  6. Step 6: Final answer
    x = 9,059.22

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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.