Home / 9,845.91-14,769-5,491.05

Finding the Fourth Proportional to 9,845.91, 14,769 and 5,491.05

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Solution

The fourth proportional to 9,845.91, 14,769 and 5,491.05 is: 8,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.91 : 14,769 = 5,491.05 : x
  2. Step 2: Convert to fraction form
    9,845.91/14,769 = 5,491.05/x
  3. Step 3: Cross multiply
    9,845.91x = 14,769 × 5,491.05
  4. Step 4: Simplify right side
    9,845.91x = 81,097,317.45
  5. Step 5: Solve for x
    x = 81,097,317.45/9,845.91
  6. Step 6: Final answer
    x = 8,236.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.