Home / 12,007.21-16,570.19-6,702.25

Finding the Fourth Proportional to 12,007.21, 16,570.19 and 6,702.25

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Solution

The fourth proportional to 12,007.21, 16,570.19 and 6,702.25 is: 9,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.21 : 16,570.19 = 6,702.25 : x
  2. Step 2: Convert to fraction form
    12,007.21/16,570.19 = 6,702.25/x
  3. Step 3: Cross multiply
    12,007.21x = 16,570.19 × 6,702.25
  4. Step 4: Simplify right side
    12,007.21x = 111,057,489.83
  5. Step 5: Solve for x
    x = 111,057,489.83/12,007.21
  6. Step 6: Final answer
    x = 9,249.24

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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.