Home / 13,060.18-18,022.58-7,091.73

Finding the Fourth Proportional to 13,060.18, 18,022.58 and 7,091.73

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Solution

The fourth proportional to 13,060.18, 18,022.58 and 7,091.73 is: 9,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.18 : 18,022.58 = 7,091.73 : x
  2. Step 2: Convert to fraction form
    13,060.18/18,022.58 = 7,091.73/x
  3. Step 3: Cross multiply
    13,060.18x = 18,022.58 × 7,091.73
  4. Step 4: Simplify right side
    13,060.18x = 127,811,271.26
  5. Step 5: Solve for x
    x = 127,811,271.26/13,060.18
  6. Step 6: Final answer
    x = 9,786.33

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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.