Home / 12,174.48-16,801.56-6,867.36

Finding the Fourth Proportional to 12,174.48, 16,801.56 and 6,867.36

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Solution

The fourth proportional to 12,174.48, 16,801.56 and 6,867.36 is: 9,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.48 : 16,801.56 = 6,867.36 : x
  2. Step 2: Convert to fraction form
    12,174.48/16,801.56 = 6,867.36/x
  3. Step 3: Cross multiply
    12,174.48x = 16,801.56 × 6,867.36
  4. Step 4: Simplify right side
    12,174.48x = 115,382,361.08
  5. Step 5: Solve for x
    x = 115,382,361.08/12,174.48
  6. Step 6: Final answer
    x = 9,477.40

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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.