Home / 7,457.41-11,187.47-3,072.48

Finding the Fourth Proportional to 7,457.41, 11,187.47 and 3,072.48

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Solution

The fourth proportional to 7,457.41, 11,187.47 and 3,072.48 is: 4,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.41 : 11,187.47 = 3,072.48 : x
  2. Step 2: Convert to fraction form
    7,457.41/11,187.47 = 3,072.48/x
  3. Step 3: Cross multiply
    7,457.41x = 11,187.47 × 3,072.48
  4. Step 4: Simplify right side
    7,457.41x = 34,373,277.83
  5. Step 5: Solve for x
    x = 34,373,277.83/7,457.41
  6. Step 6: Final answer
    x = 4,609.28

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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.