Home / 9,185.60-13,778.37-7,340.32

Finding the Fourth Proportional to 9,185.60, 13,778.37 and 7,340.32

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Solution

The fourth proportional to 9,185.60, 13,778.37 and 7,340.32 is: 11,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.60 : 13,778.37 = 7,340.32 : x
  2. Step 2: Convert to fraction form
    9,185.60/13,778.37 = 7,340.32/x
  3. Step 3: Cross multiply
    9,185.60x = 13,778.37 × 7,340.32
  4. Step 4: Simplify right side
    9,185.60x = 101,137,662.10
  5. Step 5: Solve for x
    x = 101,137,662.10/9,185.60
  6. Step 6: Final answer
    x = 11,010.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.