Home / 12,176.58-16,801.74-6,871.32

Finding the Fourth Proportional to 12,176.58, 16,801.74 and 6,871.32

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Solution

The fourth proportional to 12,176.58, 16,801.74 and 6,871.32 is: 9,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.58 : 16,801.74 = 6,871.32 : x
  2. Step 2: Convert to fraction form
    12,176.58/16,801.74 = 6,871.32/x
  3. Step 3: Cross multiply
    12,176.58x = 16,801.74 × 6,871.32
  4. Step 4: Simplify right side
    12,176.58x = 115,450,132.10
  5. Step 5: Solve for x
    x = 115,450,132.10/12,176.58
  6. Step 6: Final answer
    x = 9,481.33

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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.