Home / 11,326.11-16,981.42-5,768.70

Finding the Fourth Proportional to 11,326.11, 16,981.42 and 5,768.70

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Solution

The fourth proportional to 11,326.11, 16,981.42 and 5,768.70 is: 8,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.11 : 16,981.42 = 5,768.70 : x
  2. Step 2: Convert to fraction form
    11,326.11/16,981.42 = 5,768.70/x
  3. Step 3: Cross multiply
    11,326.11x = 16,981.42 × 5,768.70
  4. Step 4: Simplify right side
    11,326.11x = 97,960,688.71
  5. Step 5: Solve for x
    x = 97,960,688.71/11,326.11
  6. Step 6: Final answer
    x = 8,649.10

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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.