Home / 8,434.12-12,659.84-5,533.24

Finding the Fourth Proportional to 8,434.12, 12,659.84 and 5,533.24

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Solution

The fourth proportional to 8,434.12, 12,659.84 and 5,533.24 is: 8,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.12 : 12,659.84 = 5,533.24 : x
  2. Step 2: Convert to fraction form
    8,434.12/12,659.84 = 5,533.24/x
  3. Step 3: Cross multiply
    8,434.12x = 12,659.84 × 5,533.24
  4. Step 4: Simplify right side
    8,434.12x = 70,049,933.08
  5. Step 5: Solve for x
    x = 70,049,933.08/8,434.12
  6. Step 6: Final answer
    x = 8,305.54

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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.