Home / 11,748.40-16,216.44-9,674.80

Finding the Fourth Proportional to 11,748.40, 16,216.44 and 9,674.80

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Solution

The fourth proportional to 11,748.40, 16,216.44 and 9,674.80 is: 13,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.40 : 16,216.44 = 9,674.80 : x
  2. Step 2: Convert to fraction form
    11,748.40/16,216.44 = 9,674.80/x
  3. Step 3: Cross multiply
    11,748.40x = 16,216.44 × 9,674.80
  4. Step 4: Simplify right side
    11,748.40x = 156,890,813.71
  5. Step 5: Solve for x
    x = 156,890,813.71/11,748.40
  6. Step 6: Final answer
    x = 13,354.23

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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.