Home / 8,494.20-11,733.21-7,082.51

Finding the Fourth Proportional to 8,494.20, 11,733.21 and 7,082.51

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Solution

The fourth proportional to 8,494.20, 11,733.21 and 7,082.51 is: 9,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.20 : 11,733.21 = 7,082.51 : x
  2. Step 2: Convert to fraction form
    8,494.20/11,733.21 = 7,082.51/x
  3. Step 3: Cross multiply
    8,494.20x = 11,733.21 × 7,082.51
  4. Step 4: Simplify right side
    8,494.20x = 83,100,518.49
  5. Step 5: Solve for x
    x = 83,100,518.49/8,494.20
  6. Step 6: Final answer
    x = 9,783.21

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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.