Home / 13,033.38-17,986.10-7,065.04

Finding the Fourth Proportional to 13,033.38, 17,986.10 and 7,065.04

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Solution

The fourth proportional to 13,033.38, 17,986.10 and 7,065.04 is: 9,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.38 : 17,986.10 = 7,065.04 : x
  2. Step 2: Convert to fraction form
    13,033.38/17,986.10 = 7,065.04/x
  3. Step 3: Cross multiply
    13,033.38x = 17,986.10 × 7,065.04
  4. Step 4: Simplify right side
    13,033.38x = 127,072,515.94
  5. Step 5: Solve for x
    x = 127,072,515.94/13,033.38
  6. Step 6: Final answer
    x = 9,749.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.