Home / 7,457.28-11,187.72-2,262.84

Finding the Fourth Proportional to 7,457.28, 11,187.72 and 2,262.84

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Solution

The fourth proportional to 7,457.28, 11,187.72 and 2,262.84 is: 3,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.28 : 11,187.72 = 2,262.84 : x
  2. Step 2: Convert to fraction form
    7,457.28/11,187.72 = 2,262.84/x
  3. Step 3: Cross multiply
    7,457.28x = 11,187.72 × 2,262.84
  4. Step 4: Simplify right side
    7,457.28x = 25,316,020.32
  5. Step 5: Solve for x
    x = 25,316,020.32/7,457.28
  6. Step 6: Final answer
    x = 3,394.81

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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.