Home / 12,030.98-16,603.27-6,725.80

Finding the Fourth Proportional to 12,030.98, 16,603.27 and 6,725.80

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Solution

The fourth proportional to 12,030.98, 16,603.27 and 6,725.80 is: 9,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.98 : 16,603.27 = 6,725.80 : x
  2. Step 2: Convert to fraction form
    12,030.98/16,603.27 = 6,725.80/x
  3. Step 3: Cross multiply
    12,030.98x = 16,603.27 × 6,725.80
  4. Step 4: Simplify right side
    12,030.98x = 111,670,190.35
  5. Step 5: Solve for x
    x = 111,670,190.35/12,030.98
  6. Step 6: Final answer
    x = 9,281.89

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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.