Home / 13,092.16-18,069.06-8,622.64

Finding the Fourth Proportional to 13,092.16, 18,069.06 and 8,622.64

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Solution

The fourth proportional to 13,092.16, 18,069.06 and 8,622.64 is: 11,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.16 : 18,069.06 = 8,622.64 : x
  2. Step 2: Convert to fraction form
    13,092.16/18,069.06 = 8,622.64/x
  3. Step 3: Cross multiply
    13,092.16x = 18,069.06 × 8,622.64
  4. Step 4: Simplify right side
    13,092.16x = 155,802,999.52
  5. Step 5: Solve for x
    x = 155,802,999.52/13,092.16
  6. Step 6: Final answer
    x = 11,900.48

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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.