Home / 8,923.35-12,310.68-5,736.18

Finding the Fourth Proportional to 8,923.35, 12,310.68 and 5,736.18

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Solution

The fourth proportional to 8,923.35, 12,310.68 and 5,736.18 is: 7,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.35 : 12,310.68 = 5,736.18 : x
  2. Step 2: Convert to fraction form
    8,923.35/12,310.68 = 5,736.18/x
  3. Step 3: Cross multiply
    8,923.35x = 12,310.68 × 5,736.18
  4. Step 4: Simplify right side
    8,923.35x = 70,616,276.40
  5. Step 5: Solve for x
    x = 70,616,276.40/8,923.35
  6. Step 6: Final answer
    x = 7,913.65

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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.