Home / 9,185.20-12,675.57-4,993.45

Finding the Fourth Proportional to 9,185.20, 12,675.57 and 4,993.45

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Solution

The fourth proportional to 9,185.20, 12,675.57 and 4,993.45 is: 6,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.20 : 12,675.57 = 4,993.45 : x
  2. Step 2: Convert to fraction form
    9,185.20/12,675.57 = 4,993.45/x
  3. Step 3: Cross multiply
    9,185.20x = 12,675.57 × 4,993.45
  4. Step 4: Simplify right side
    9,185.20x = 63,294,825.02
  5. Step 5: Solve for x
    x = 63,294,825.02/9,185.20
  6. Step 6: Final answer
    x = 6,890.96

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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.