Home / 8,723.68-12,039.01-4,946.81

Finding the Fourth Proportional to 8,723.68, 12,039.01 and 4,946.81

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Solution

The fourth proportional to 8,723.68, 12,039.01 and 4,946.81 is: 6,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.68 : 12,039.01 = 4,946.81 : x
  2. Step 2: Convert to fraction form
    8,723.68/12,039.01 = 4,946.81/x
  3. Step 3: Cross multiply
    8,723.68x = 12,039.01 × 4,946.81
  4. Step 4: Simplify right side
    8,723.68x = 59,554,622.50
  5. Step 5: Solve for x
    x = 59,554,622.50/8,723.68
  6. Step 6: Final answer
    x = 6,826.78

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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.