Home / 9,319.95-13,975.82-4,936.38

Finding the Fourth Proportional to 9,319.95, 13,975.82 and 4,936.38

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Solution

The fourth proportional to 9,319.95, 13,975.82 and 4,936.38 is: 7,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.95 : 13,975.82 = 4,936.38 : x
  2. Step 2: Convert to fraction form
    9,319.95/13,975.82 = 4,936.38/x
  3. Step 3: Cross multiply
    9,319.95x = 13,975.82 × 4,936.38
  4. Step 4: Simplify right side
    9,319.95x = 68,989,958.33
  5. Step 5: Solve for x
    x = 68,989,958.33/9,319.95
  6. Step 6: Final answer
    x = 7,402.40

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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.