Home / 7,457.44-11,186.28-1,910.66

Finding the Fourth Proportional to 7,457.44, 11,186.28 and 1,910.66

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Solution

The fourth proportional to 7,457.44, 11,186.28 and 1,910.66 is: 2,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.44 : 11,186.28 = 1,910.66 : x
  2. Step 2: Convert to fraction form
    7,457.44/11,186.28 = 1,910.66/x
  3. Step 3: Cross multiply
    7,457.44x = 11,186.28 × 1,910.66
  4. Step 4: Simplify right side
    7,457.44x = 21,373,177.74
  5. Step 5: Solve for x
    x = 21,373,177.74/7,457.44
  6. Step 6: Final answer
    x = 2,866.02

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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.