Home / 8,143.50-11,238.03-4,606.64

Finding the Fourth Proportional to 8,143.50, 11,238.03 and 4,606.64

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Solution

The fourth proportional to 8,143.50, 11,238.03 and 4,606.64 is: 6,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.50 : 11,238.03 = 4,606.64 : x
  2. Step 2: Convert to fraction form
    8,143.50/11,238.03 = 4,606.64/x
  3. Step 3: Cross multiply
    8,143.50x = 11,238.03 × 4,606.64
  4. Step 4: Simplify right side
    8,143.50x = 51,769,558.52
  5. Step 5: Solve for x
    x = 51,769,558.52/8,143.50
  6. Step 6: Final answer
    x = 6,357.16

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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.