Home / 8,946.09-12,344.13-5,956.80

Finding the Fourth Proportional to 8,946.09, 12,344.13 and 5,956.80

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Solution

The fourth proportional to 8,946.09, 12,344.13 and 5,956.80 is: 8,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.09 : 12,344.13 = 5,956.80 : x
  2. Step 2: Convert to fraction form
    8,946.09/12,344.13 = 5,956.80/x
  3. Step 3: Cross multiply
    8,946.09x = 12,344.13 × 5,956.80
  4. Step 4: Simplify right side
    8,946.09x = 73,531,513.58
  5. Step 5: Solve for x
    x = 73,531,513.58/8,946.09
  6. Step 6: Final answer
    x = 8,219.40

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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.