Home / 10,082.13-13,912.54-5,605.60

Finding the Fourth Proportional to 10,082.13, 13,912.54 and 5,605.60

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Solution

The fourth proportional to 10,082.13, 13,912.54 and 5,605.60 is: 7,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.13 : 13,912.54 = 5,605.60 : x
  2. Step 2: Convert to fraction form
    10,082.13/13,912.54 = 5,605.60/x
  3. Step 3: Cross multiply
    10,082.13x = 13,912.54 × 5,605.60
  4. Step 4: Simplify right side
    10,082.13x = 77,988,134.22
  5. Step 5: Solve for x
    x = 77,988,134.22/10,082.13
  6. Step 6: Final answer
    x = 7,735.28

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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.