Home / 11,629.44-17,433-7,457.76

Finding the Fourth Proportional to 11,629.44, 17,433 and 7,457.76

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Solution

The fourth proportional to 11,629.44, 17,433 and 7,457.76 is: 11,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.44 : 17,433 = 7,457.76 : x
  2. Step 2: Convert to fraction form
    11,629.44/17,433 = 7,457.76/x
  3. Step 3: Cross multiply
    11,629.44x = 17,433 × 7,457.76
  4. Step 4: Simplify right side
    11,629.44x = 130,011,130.08
  5. Step 5: Solve for x
    x = 130,011,130.08/11,629.44
  6. Step 6: Final answer
    x = 11,179.48

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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.