Home / 7,749.01-10,693.57-4,212.21

Finding the Fourth Proportional to 7,749.01, 10,693.57 and 4,212.21

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Solution

The fourth proportional to 7,749.01, 10,693.57 and 4,212.21 is: 5,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.01 : 10,693.57 = 4,212.21 : x
  2. Step 2: Convert to fraction form
    7,749.01/10,693.57 = 4,212.21/x
  3. Step 3: Cross multiply
    7,749.01x = 10,693.57 × 4,212.21
  4. Step 4: Simplify right side
    7,749.01x = 45,043,562.49
  5. Step 5: Solve for x
    x = 45,043,562.49/7,749.01
  6. Step 6: Final answer
    x = 5,812.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.