Home / 8,697.36-13,015.92-5,364.24

Finding the Fourth Proportional to 8,697.36, 13,015.92 and 5,364.24

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Solution

The fourth proportional to 8,697.36, 13,015.92 and 5,364.24 is: 8,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.36 : 13,015.92 = 5,364.24 : x
  2. Step 2: Convert to fraction form
    8,697.36/13,015.92 = 5,364.24/x
  3. Step 3: Cross multiply
    8,697.36x = 13,015.92 × 5,364.24
  4. Step 4: Simplify right side
    8,697.36x = 69,820,518.70
  5. Step 5: Solve for x
    x = 69,820,518.70/8,697.36
  6. Step 6: Final answer
    x = 8,027.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.