Home / 10,856.70-16,286.60-3,461.23

Finding the Fourth Proportional to 10,856.70, 16,286.60 and 3,461.23

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Solution

The fourth proportional to 10,856.70, 16,286.60 and 3,461.23 is: 5,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.70 : 16,286.60 = 3,461.23 : x
  2. Step 2: Convert to fraction form
    10,856.70/16,286.60 = 3,461.23/x
  3. Step 3: Cross multiply
    10,856.70x = 16,286.60 × 3,461.23
  4. Step 4: Simplify right side
    10,856.70x = 56,371,697.53
  5. Step 5: Solve for x
    x = 56,371,697.53/10,856.70
  6. Step 6: Final answer
    x = 5,192.34

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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.