Home / 12,576.36-17,360.10-9,441.60

Finding the Fourth Proportional to 12,576.36, 17,360.10 and 9,441.60

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Solution

The fourth proportional to 12,576.36, 17,360.10 and 9,441.60 is: 13,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.36 : 17,360.10 = 9,441.60 : x
  2. Step 2: Convert to fraction form
    12,576.36/17,360.10 = 9,441.60/x
  3. Step 3: Cross multiply
    12,576.36x = 17,360.10 × 9,441.60
  4. Step 4: Simplify right side
    12,576.36x = 163,907,120.16
  5. Step 5: Solve for x
    x = 163,907,120.16/12,576.36
  6. Step 6: Final answer
    x = 13,032.95

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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.