Home / 13,072.96-19,606.24-6,140.48

Finding the Fourth Proportional to 13,072.96, 19,606.24 and 6,140.48

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Solution

The fourth proportional to 13,072.96, 19,606.24 and 6,140.48 is: 9,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.96 : 19,606.24 = 6,140.48 : x
  2. Step 2: Convert to fraction form
    13,072.96/19,606.24 = 6,140.48/x
  3. Step 3: Cross multiply
    13,072.96x = 19,606.24 × 6,140.48
  4. Step 4: Simplify right side
    13,072.96x = 120,391,724.60
  5. Step 5: Solve for x
    x = 120,391,724.60/13,072.96
  6. Step 6: Final answer
    x = 9,209.22

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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.