Home / 9,364.36-12,922.83-5,115.45

Finding the Fourth Proportional to 9,364.36, 12,922.83 and 5,115.45

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Solution

The fourth proportional to 9,364.36, 12,922.83 and 5,115.45 is: 7,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.36 : 12,922.83 = 5,115.45 : x
  2. Step 2: Convert to fraction form
    9,364.36/12,922.83 = 5,115.45/x
  3. Step 3: Cross multiply
    9,364.36x = 12,922.83 × 5,115.45
  4. Step 4: Simplify right side
    9,364.36x = 66,106,103.51
  5. Step 5: Solve for x
    x = 66,106,103.51/9,364.36
  6. Step 6: Final answer
    x = 7,059.33

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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.