Home / 8,723.24-12,039.80-4,946.48

Finding the Fourth Proportional to 8,723.24, 12,039.80 and 4,946.48

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Solution

The fourth proportional to 8,723.24, 12,039.80 and 4,946.48 is: 6,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.24 : 12,039.80 = 4,946.48 : x
  2. Step 2: Convert to fraction form
    8,723.24/12,039.80 = 4,946.48/x
  3. Step 3: Cross multiply
    8,723.24x = 12,039.80 × 4,946.48
  4. Step 4: Simplify right side
    8,723.24x = 59,554,629.90
  5. Step 5: Solve for x
    x = 59,554,629.90/8,723.24
  6. Step 6: Final answer
    x = 6,827.12

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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.