Home / 8,313.80-11,474.84-5,667.52

Finding the Fourth Proportional to 8,313.80, 11,474.84 and 5,667.52

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Solution

The fourth proportional to 8,313.80, 11,474.84 and 5,667.52 is: 7,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.80 : 11,474.84 = 5,667.52 : x
  2. Step 2: Convert to fraction form
    8,313.80/11,474.84 = 5,667.52/x
  3. Step 3: Cross multiply
    8,313.80x = 11,474.84 × 5,667.52
  4. Step 4: Simplify right side
    8,313.80x = 65,033,885.20
  5. Step 5: Solve for x
    x = 65,033,885.20/8,313.80
  6. Step 6: Final answer
    x = 7,822.40

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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.