Home / 8,145.96-11,238.08-4,956.69

Finding the Fourth Proportional to 8,145.96, 11,238.08 and 4,956.69

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Solution

The fourth proportional to 8,145.96, 11,238.08 and 4,956.69 is: 6,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.96 : 11,238.08 = 4,956.69 : x
  2. Step 2: Convert to fraction form
    8,145.96/11,238.08 = 4,956.69/x
  3. Step 3: Cross multiply
    8,145.96x = 11,238.08 × 4,956.69
  4. Step 4: Simplify right side
    8,145.96x = 55,703,696.11
  5. Step 5: Solve for x
    x = 55,703,696.11/8,145.96
  6. Step 6: Final answer
    x = 6,838.20

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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.