Home / 11,797.23-16,280.12-6,491.91

Finding the Fourth Proportional to 11,797.23, 16,280.12 and 6,491.91

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Solution

The fourth proportional to 11,797.23, 16,280.12 and 6,491.91 is: 8,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797.23 : 16,280.12 = 6,491.91 : x
  2. Step 2: Convert to fraction form
    11,797.23/16,280.12 = 6,491.91/x
  3. Step 3: Cross multiply
    11,797.23x = 16,280.12 × 6,491.91
  4. Step 4: Simplify right side
    11,797.23x = 105,689,041.37
  5. Step 5: Solve for x
    x = 105,689,041.37/11,797.23
  6. Step 6: Final answer
    x = 8,958.80

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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.