Home / 7,378.25-11,060.15-4,084.38

Finding the Fourth Proportional to 7,378.25, 11,060.15 and 4,084.38

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Solution

The fourth proportional to 7,378.25, 11,060.15 and 4,084.38 is: 6,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.25 : 11,060.15 = 4,084.38 : x
  2. Step 2: Convert to fraction form
    7,378.25/11,060.15 = 4,084.38/x
  3. Step 3: Cross multiply
    7,378.25x = 11,060.15 × 4,084.38
  4. Step 4: Simplify right side
    7,378.25x = 45,173,835.04
  5. Step 5: Solve for x
    x = 45,173,835.04/7,378.25
  6. Step 6: Final answer
    x = 6,122.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.