Home / 11,709.15-17,551.43-7,266.81

Finding the Fourth Proportional to 11,709.15, 17,551.43 and 7,266.81

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Solution

The fourth proportional to 11,709.15, 17,551.43 and 7,266.81 is: 10,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.15 : 17,551.43 = 7,266.81 : x
  2. Step 2: Convert to fraction form
    11,709.15/17,551.43 = 7,266.81/x
  3. Step 3: Cross multiply
    11,709.15x = 17,551.43 × 7,266.81
  4. Step 4: Simplify right side
    11,709.15x = 127,542,870.70
  5. Step 5: Solve for x
    x = 127,542,870.70/11,709.15
  6. Step 6: Final answer
    x = 10,892.58

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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.