Home / 8,538.85-11,784.74-4,906.32

Finding the Fourth Proportional to 8,538.85, 11,784.74 and 4,906.32

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Solution

The fourth proportional to 8,538.85, 11,784.74 and 4,906.32 is: 6,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.85 : 11,784.74 = 4,906.32 : x
  2. Step 2: Convert to fraction form
    8,538.85/11,784.74 = 4,906.32/x
  3. Step 3: Cross multiply
    8,538.85x = 11,784.74 × 4,906.32
  4. Step 4: Simplify right side
    8,538.85x = 57,819,730.72
  5. Step 5: Solve for x
    x = 57,819,730.72/8,538.85
  6. Step 6: Final answer
    x = 6,771.37

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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.