Home / 13,060.28-18,023.22-7,091.98

Finding the Fourth Proportional to 13,060.28, 18,023.22 and 7,091.98

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Solution

The fourth proportional to 13,060.28, 18,023.22 and 7,091.98 is: 9,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.28 : 18,023.22 = 7,091.98 : x
  2. Step 2: Convert to fraction form
    13,060.28/18,023.22 = 7,091.98/x
  3. Step 3: Cross multiply
    13,060.28x = 18,023.22 × 7,091.98
  4. Step 4: Simplify right side
    13,060.28x = 127,820,315.78
  5. Step 5: Solve for x
    x = 127,820,315.78/13,060.28
  6. Step 6: Final answer
    x = 9,786.95

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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.