Home / 7,082.12-9,767.88-5,192.96

Finding the Fourth Proportional to 7,082.12, 9,767.88 and 5,192.96

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Solution

The fourth proportional to 7,082.12, 9,767.88 and 5,192.96 is: 7,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.12 : 9,767.88 = 5,192.96 : x
  2. Step 2: Convert to fraction form
    7,082.12/9,767.88 = 5,192.96/x
  3. Step 3: Cross multiply
    7,082.12x = 9,767.88 × 5,192.96
  4. Step 4: Simplify right side
    7,082.12x = 50,724,210.12
  5. Step 5: Solve for x
    x = 50,724,210.12/7,082.12
  6. Step 6: Final answer
    x = 7,162.29

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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.