Home / 13,367.05-18,446.02-7,317.43

Finding the Fourth Proportional to 13,367.05, 18,446.02 and 7,317.43

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Solution

The fourth proportional to 13,367.05, 18,446.02 and 7,317.43 is: 10,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.05 : 18,446.02 = 7,317.43 : x
  2. Step 2: Convert to fraction form
    13,367.05/18,446.02 = 7,317.43/x
  3. Step 3: Cross multiply
    13,367.05x = 18,446.02 × 7,317.43
  4. Step 4: Simplify right side
    13,367.05x = 134,977,460.13
  5. Step 5: Solve for x
    x = 134,977,460.13/13,367.05
  6. Step 6: Final answer
    x = 10,097.77

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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.