Home / 12,898.32-19,346.94-4,133.04

Finding the Fourth Proportional to 12,898.32, 19,346.94 and 4,133.04

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Solution

The fourth proportional to 12,898.32, 19,346.94 and 4,133.04 is: 6,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.32 : 19,346.94 = 4,133.04 : x
  2. Step 2: Convert to fraction form
    12,898.32/19,346.94 = 4,133.04/x
  3. Step 3: Cross multiply
    12,898.32x = 19,346.94 × 4,133.04
  4. Step 4: Simplify right side
    12,898.32x = 79,961,676.90
  5. Step 5: Solve for x
    x = 79,961,676.90/12,898.32
  6. Step 6: Final answer
    x = 6,199.39

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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.