Home / 7,983.34-11,015.99-4,626.12

Finding the Fourth Proportional to 7,983.34, 11,015.99 and 4,626.12

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Solution

The fourth proportional to 7,983.34, 11,015.99 and 4,626.12 is: 6,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.34 : 11,015.99 = 4,626.12 : x
  2. Step 2: Convert to fraction form
    7,983.34/11,015.99 = 4,626.12/x
  3. Step 3: Cross multiply
    7,983.34x = 11,015.99 × 4,626.12
  4. Step 4: Simplify right side
    7,983.34x = 50,961,330.76
  5. Step 5: Solve for x
    x = 50,961,330.76/7,983.34
  6. Step 6: Final answer
    x = 6,383.46

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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.