Home / 13,206.42-19,810.10-6,629.03

Finding the Fourth Proportional to 13,206.42, 19,810.10 and 6,629.03

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Solution

The fourth proportional to 13,206.42, 19,810.10 and 6,629.03 is: 9,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.42 : 19,810.10 = 6,629.03 : x
  2. Step 2: Convert to fraction form
    13,206.42/19,810.10 = 6,629.03/x
  3. Step 3: Cross multiply
    13,206.42x = 19,810.10 × 6,629.03
  4. Step 4: Simplify right side
    13,206.42x = 131,321,615.01
  5. Step 5: Solve for x
    x = 131,321,615.01/13,206.42
  6. Step 6: Final answer
    x = 9,943.77

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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.