Home / 12,007.45-16,570.30-6,702.27

Finding the Fourth Proportional to 12,007.45, 16,570.30 and 6,702.27

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Solution

The fourth proportional to 12,007.45, 16,570.30 and 6,702.27 is: 9,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.45 : 16,570.30 = 6,702.27 : x
  2. Step 2: Convert to fraction form
    12,007.45/16,570.30 = 6,702.27/x
  3. Step 3: Cross multiply
    12,007.45x = 16,570.30 × 6,702.27
  4. Step 4: Simplify right side
    12,007.45x = 111,058,624.58
  5. Step 5: Solve for x
    x = 111,058,624.58/12,007.45
  6. Step 6: Final answer
    x = 9,249.14

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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.