Home / 7,412.42-11,116.74-3,029.06

Finding the Fourth Proportional to 7,412.42, 11,116.74 and 3,029.06

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Solution

The fourth proportional to 7,412.42, 11,116.74 and 3,029.06 is: 4,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.42 : 11,116.74 = 3,029.06 : x
  2. Step 2: Convert to fraction form
    7,412.42/11,116.74 = 3,029.06/x
  3. Step 3: Cross multiply
    7,412.42x = 11,116.74 × 3,029.06
  4. Step 4: Simplify right side
    7,412.42x = 33,673,272.46
  5. Step 5: Solve for x
    x = 33,673,272.46/7,412.42
  6. Step 6: Final answer
    x = 4,542.82

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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.