Home / 7,701.12-11,542.10-3,749.13

Finding the Fourth Proportional to 7,701.12, 11,542.10 and 3,749.13

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Solution

The fourth proportional to 7,701.12, 11,542.10 and 3,749.13 is: 5,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.12 : 11,542.10 = 3,749.13 : x
  2. Step 2: Convert to fraction form
    7,701.12/11,542.10 = 3,749.13/x
  3. Step 3: Cross multiply
    7,701.12x = 11,542.10 × 3,749.13
  4. Step 4: Simplify right side
    7,701.12x = 43,272,814.63
  5. Step 5: Solve for x
    x = 43,272,814.63/7,701.12
  6. Step 6: Final answer
    x = 5,619.03

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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.