Home / 9,440.08-13,027.38-5,905.30

Finding the Fourth Proportional to 9,440.08, 13,027.38 and 5,905.30

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Solution

The fourth proportional to 9,440.08, 13,027.38 and 5,905.30 is: 8,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.08 : 13,027.38 = 5,905.30 : x
  2. Step 2: Convert to fraction form
    9,440.08/13,027.38 = 5,905.30/x
  3. Step 3: Cross multiply
    9,440.08x = 13,027.38 × 5,905.30
  4. Step 4: Simplify right side
    9,440.08x = 76,930,587.11
  5. Step 5: Solve for x
    x = 76,930,587.11/9,440.08
  6. Step 6: Final answer
    x = 8,149.36

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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.