Home / 12,351.96-17,034.30-11,457.72

Finding the Fourth Proportional to 12,351.96, 17,034.30 and 11,457.72

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Solution

The fourth proportional to 12,351.96, 17,034.30 and 11,457.72 is: 15,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.96 : 17,034.30 = 11,457.72 : x
  2. Step 2: Convert to fraction form
    12,351.96/17,034.30 = 11,457.72/x
  3. Step 3: Cross multiply
    12,351.96x = 17,034.30 × 11,457.72
  4. Step 4: Simplify right side
    12,351.96x = 195,174,239.80
  5. Step 5: Solve for x
    x = 195,174,239.80/12,351.96
  6. Step 6: Final answer
    x = 15,801.07

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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.