Home / 13,273.36-18,317.36-7,305.17

Finding the Fourth Proportional to 13,273.36, 18,317.36 and 7,305.17

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Solution

The fourth proportional to 13,273.36, 18,317.36 and 7,305.17 is: 10,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.36 : 18,317.36 = 7,305.17 : x
  2. Step 2: Convert to fraction form
    13,273.36/18,317.36 = 7,305.17/x
  3. Step 3: Cross multiply
    13,273.36x = 18,317.36 × 7,305.17
  4. Step 4: Simplify right side
    13,273.36x = 133,811,355.43
  5. Step 5: Solve for x
    x = 133,811,355.43/13,273.36
  6. Step 6: Final answer
    x = 10,081.20

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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.