Home / 8,313.66-11,474.73-5,662.13

Finding the Fourth Proportional to 8,313.66, 11,474.73 and 5,662.13

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Solution

The fourth proportional to 8,313.66, 11,474.73 and 5,662.13 is: 7,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.66 : 11,474.73 = 5,662.13 : x
  2. Step 2: Convert to fraction form
    8,313.66/11,474.73 = 5,662.13/x
  3. Step 3: Cross multiply
    8,313.66x = 11,474.73 × 5,662.13
  4. Step 4: Simplify right side
    8,313.66x = 64,971,355.60
  5. Step 5: Solve for x
    x = 64,971,355.60/8,313.66
  6. Step 6: Final answer
    x = 7,815.01

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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.