Home / 13,082.44-18,053.80-7,114.11

Finding the Fourth Proportional to 13,082.44, 18,053.80 and 7,114.11

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Solution

The fourth proportional to 13,082.44, 18,053.80 and 7,114.11 is: 9,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.44 : 18,053.80 = 7,114.11 : x
  2. Step 2: Convert to fraction form
    13,082.44/18,053.80 = 7,114.11/x
  3. Step 3: Cross multiply
    13,082.44x = 18,053.80 × 7,114.11
  4. Step 4: Simplify right side
    13,082.44x = 128,436,719.12
  5. Step 5: Solve for x
    x = 128,436,719.12/13,082.44
  6. Step 6: Final answer
    x = 9,817.49

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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.