Home / 11,266.20-16,818.99-9,605.40

Finding the Fourth Proportional to 11,266.20, 16,818.99 and 9,605.40

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Solution

The fourth proportional to 11,266.20, 16,818.99 and 9,605.40 is: 14,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.20 : 16,818.99 = 9,605.40 : x
  2. Step 2: Convert to fraction form
    11,266.20/16,818.99 = 9,605.40/x
  3. Step 3: Cross multiply
    11,266.20x = 16,818.99 × 9,605.40
  4. Step 4: Simplify right side
    11,266.20x = 161,553,126.55
  5. Step 5: Solve for x
    x = 161,553,126.55/11,266.20
  6. Step 6: Final answer
    x = 14,339.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.