Home / 8,426.94-11,631.70-4,891.74

Finding the Fourth Proportional to 8,426.94, 11,631.70 and 4,891.74

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Solution

The fourth proportional to 8,426.94, 11,631.70 and 4,891.74 is: 6,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.94 : 11,631.70 = 4,891.74 : x
  2. Step 2: Convert to fraction form
    8,426.94/11,631.70 = 4,891.74/x
  3. Step 3: Cross multiply
    8,426.94x = 11,631.70 × 4,891.74
  4. Step 4: Simplify right side
    8,426.94x = 56,899,252.16
  5. Step 5: Solve for x
    x = 56,899,252.16/8,426.94
  6. Step 6: Final answer
    x = 6,752.07

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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.