Home / 6,845.47-9,441.92-5,790.24

Finding the Fourth Proportional to 6,845.47, 9,441.92 and 5,790.24

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Solution

The fourth proportional to 6,845.47, 9,441.92 and 5,790.24 is: 7,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.47 : 9,441.92 = 5,790.24 : x
  2. Step 2: Convert to fraction form
    6,845.47/9,441.92 = 5,790.24/x
  3. Step 3: Cross multiply
    6,845.47x = 9,441.92 × 5,790.24
  4. Step 4: Simplify right side
    6,845.47x = 54,670,997.34
  5. Step 5: Solve for x
    x = 54,670,997.34/6,845.47
  6. Step 6: Final answer
    x = 7,986.45

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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.