Home / 8,541.28-11,768.24-5,741.92

Finding the Fourth Proportional to 8,541.28, 11,768.24 and 5,741.92

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Solution

The fourth proportional to 8,541.28, 11,768.24 and 5,741.92 is: 7,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.28 : 11,768.24 = 5,741.92 : x
  2. Step 2: Convert to fraction form
    8,541.28/11,768.24 = 5,741.92/x
  3. Step 3: Cross multiply
    8,541.28x = 11,768.24 × 5,741.92
  4. Step 4: Simplify right side
    8,541.28x = 67,572,292.62
  5. Step 5: Solve for x
    x = 67,572,292.62/8,541.28
  6. Step 6: Final answer
    x = 7,911.26

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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.