Home / 13,173.35-19,762.98-6,936.30

Finding the Fourth Proportional to 13,173.35, 19,762.98 and 6,936.30

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Solution

The fourth proportional to 13,173.35, 19,762.98 and 6,936.30 is: 10,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.35 : 19,762.98 = 6,936.30 : x
  2. Step 2: Convert to fraction form
    13,173.35/19,762.98 = 6,936.30/x
  3. Step 3: Cross multiply
    13,173.35x = 19,762.98 × 6,936.30
  4. Step 4: Simplify right side
    13,173.35x = 137,081,958.17
  5. Step 5: Solve for x
    x = 137,081,958.17/13,173.35
  6. Step 6: Final answer
    x = 10,406.01

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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.