Home / 7,445.73-11,137.80-6,114.51

Finding the Fourth Proportional to 7,445.73, 11,137.80 and 6,114.51

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Solution

The fourth proportional to 7,445.73, 11,137.80 and 6,114.51 is: 9,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.73 : 11,137.80 = 6,114.51 : x
  2. Step 2: Convert to fraction form
    7,445.73/11,137.80 = 6,114.51/x
  3. Step 3: Cross multiply
    7,445.73x = 11,137.80 × 6,114.51
  4. Step 4: Simplify right side
    7,445.73x = 68,102,189.48
  5. Step 5: Solve for x
    x = 68,102,189.48/7,445.73
  6. Step 6: Final answer
    x = 9,146.48

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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.