Home / 7,013.20-10,518.99-2,082.33

Finding the Fourth Proportional to 7,013.20, 10,518.99 and 2,082.33

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Solution

The fourth proportional to 7,013.20, 10,518.99 and 2,082.33 is: 3,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.20 : 10,518.99 = 2,082.33 : x
  2. Step 2: Convert to fraction form
    7,013.20/10,518.99 = 2,082.33/x
  3. Step 3: Cross multiply
    7,013.20x = 10,518.99 × 2,082.33
  4. Step 4: Simplify right side
    7,013.20x = 21,903,955.85
  5. Step 5: Solve for x
    x = 21,903,955.85/7,013.20
  6. Step 6: Final answer
    x = 3,123.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.