Home / 10,126.40-15,192.51-3,107.44

Finding the Fourth Proportional to 10,126.40, 15,192.51 and 3,107.44

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Solution

The fourth proportional to 10,126.40, 15,192.51 and 3,107.44 is: 4,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.40 : 15,192.51 = 3,107.44 : x
  2. Step 2: Convert to fraction form
    10,126.40/15,192.51 = 3,107.44/x
  3. Step 3: Cross multiply
    10,126.40x = 15,192.51 × 3,107.44
  4. Step 4: Simplify right side
    10,126.40x = 47,209,813.27
  5. Step 5: Solve for x
    x = 47,209,813.27/10,126.40
  6. Step 6: Final answer
    x = 4,662.06

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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.