Home / 7,457.83-11,187.09-3,755.65

Finding the Fourth Proportional to 7,457.83, 11,187.09 and 3,755.65

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Solution

The fourth proportional to 7,457.83, 11,187.09 and 3,755.65 is: 5,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.83 : 11,187.09 = 3,755.65 : x
  2. Step 2: Convert to fraction form
    7,457.83/11,187.09 = 3,755.65/x
  3. Step 3: Cross multiply
    7,457.83x = 11,187.09 × 3,755.65
  4. Step 4: Simplify right side
    7,457.83x = 42,014,777.00
  5. Step 5: Solve for x
    x = 42,014,777.00/7,457.83
  6. Step 6: Final answer
    x = 5,633.65

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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.