Home / 11,310.49-15,607.94-6,274.61

Finding the Fourth Proportional to 11,310.49, 15,607.94 and 6,274.61

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Solution

The fourth proportional to 11,310.49, 15,607.94 and 6,274.61 is: 8,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.49 : 15,607.94 = 6,274.61 : x
  2. Step 2: Convert to fraction form
    11,310.49/15,607.94 = 6,274.61/x
  3. Step 3: Cross multiply
    11,310.49x = 15,607.94 × 6,274.61
  4. Step 4: Simplify right side
    11,310.49x = 97,933,808.61
  5. Step 5: Solve for x
    x = 97,933,808.61/11,310.49
  6. Step 6: Final answer
    x = 8,658.67

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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.