Home / 10,081.68-13,919.64-6,306.48

Finding the Fourth Proportional to 10,081.68, 13,919.64 and 6,306.48

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Solution

The fourth proportional to 10,081.68, 13,919.64 and 6,306.48 is: 8,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.68 : 13,919.64 = 6,306.48 : x
  2. Step 2: Convert to fraction form
    10,081.68/13,919.64 = 6,306.48/x
  3. Step 3: Cross multiply
    10,081.68x = 13,919.64 × 6,306.48
  4. Step 4: Simplify right side
    10,081.68x = 87,783,931.27
  5. Step 5: Solve for x
    x = 87,783,931.27/10,081.68
  6. Step 6: Final answer
    x = 8,707.27

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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.