Home / 13,273.32-18,309.60-8,296.68

Finding the Fourth Proportional to 13,273.32, 18,309.60 and 8,296.68

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Solution

The fourth proportional to 13,273.32, 18,309.60 and 8,296.68 is: 11,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.32 : 18,309.60 = 8,296.68 : x
  2. Step 2: Convert to fraction form
    13,273.32/18,309.60 = 8,296.68/x
  3. Step 3: Cross multiply
    13,273.32x = 18,309.60 × 8,296.68
  4. Step 4: Simplify right side
    13,273.32x = 151,908,892.13
  5. Step 5: Solve for x
    x = 151,908,892.13/13,273.32
  6. Step 6: Final answer
    x = 11,444.68

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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.