Home / 13,366.37-18,446.08-7,317.03

Finding the Fourth Proportional to 13,366.37, 18,446.08 and 7,317.03

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Solution

The fourth proportional to 13,366.37, 18,446.08 and 7,317.03 is: 10,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.37 : 18,446.08 = 7,317.03 : x
  2. Step 2: Convert to fraction form
    13,366.37/18,446.08 = 7,317.03/x
  3. Step 3: Cross multiply
    13,366.37x = 18,446.08 × 7,317.03
  4. Step 4: Simplify right side
    13,366.37x = 134,970,585.34
  5. Step 5: Solve for x
    x = 134,970,585.34/13,366.37
  6. Step 6: Final answer
    x = 10,097.78

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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.