Home / 13,273.34-18,317.96-7,609.02

Finding the Fourth Proportional to 13,273.34, 18,317.96 and 7,609.02

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Solution

The fourth proportional to 13,273.34, 18,317.96 and 7,609.02 is: 10,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.34 : 18,317.96 = 7,609.02 : x
  2. Step 2: Convert to fraction form
    13,273.34/18,317.96 = 7,609.02/x
  3. Step 3: Cross multiply
    13,273.34x = 18,317.96 × 7,609.02
  4. Step 4: Simplify right side
    13,273.34x = 139,381,791.63
  5. Step 5: Solve for x
    x = 139,381,791.63/13,273.34
  6. Step 6: Final answer
    x = 10,500.89

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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.