Home / 7,436.15-11,154.59-1,889.54

Finding the Fourth Proportional to 7,436.15, 11,154.59 and 1,889.54

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Solution

The fourth proportional to 7,436.15, 11,154.59 and 1,889.54 is: 2,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.15 : 11,154.59 = 1,889.54 : x
  2. Step 2: Convert to fraction form
    7,436.15/11,154.59 = 1,889.54/x
  3. Step 3: Cross multiply
    7,436.15x = 11,154.59 × 1,889.54
  4. Step 4: Simplify right side
    7,436.15x = 21,077,076.60
  5. Step 5: Solve for x
    x = 21,077,076.60/7,436.15
  6. Step 6: Final answer
    x = 2,834.41

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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.