Home / 13,200.06-18,216.51-7,232.31

Finding the Fourth Proportional to 13,200.06, 18,216.51 and 7,232.31

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Solution

The fourth proportional to 13,200.06, 18,216.51 and 7,232.31 is: 9,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.06 : 18,216.51 = 7,232.31 : x
  2. Step 2: Convert to fraction form
    13,200.06/18,216.51 = 7,232.31/x
  3. Step 3: Cross multiply
    13,200.06x = 18,216.51 × 7,232.31
  4. Step 4: Simplify right side
    13,200.06x = 131,747,447.44
  5. Step 5: Solve for x
    x = 131,747,447.44/13,200.06
  6. Step 6: Final answer
    x = 9,980.82

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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.