Home / 7,308.62-10,082.40-7,025.72

Finding the Fourth Proportional to 7,308.62, 10,082.40 and 7,025.72

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Solution

The fourth proportional to 7,308.62, 10,082.40 and 7,025.72 is: 9,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.62 : 10,082.40 = 7,025.72 : x
  2. Step 2: Convert to fraction form
    7,308.62/10,082.40 = 7,025.72/x
  3. Step 3: Cross multiply
    7,308.62x = 10,082.40 × 7,025.72
  4. Step 4: Simplify right side
    7,308.62x = 70,836,119.33
  5. Step 5: Solve for x
    x = 70,836,119.33/7,308.62
  6. Step 6: Final answer
    x = 9,692.13

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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.