Home / 8,158.60-11,242.74-5,794.12

Finding the Fourth Proportional to 8,158.60, 11,242.74 and 5,794.12

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Solution

The fourth proportional to 8,158.60, 11,242.74 and 5,794.12 is: 7,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.60 : 11,242.74 = 5,794.12 : x
  2. Step 2: Convert to fraction form
    8,158.60/11,242.74 = 5,794.12/x
  3. Step 3: Cross multiply
    8,158.60x = 11,242.74 × 5,794.12
  4. Step 4: Simplify right side
    8,158.60x = 65,141,784.69
  5. Step 5: Solve for x
    x = 65,141,784.69/8,158.60
  6. Step 6: Final answer
    x = 7,984.43

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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.