Home / 9,315.59-13,974.76-3,076.25

Finding the Fourth Proportional to 9,315.59, 13,974.76 and 3,076.25

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Solution

The fourth proportional to 9,315.59, 13,974.76 and 3,076.25 is: 4,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.59 : 13,974.76 = 3,076.25 : x
  2. Step 2: Convert to fraction form
    9,315.59/13,974.76 = 3,076.25/x
  3. Step 3: Cross multiply
    9,315.59x = 13,974.76 × 3,076.25
  4. Step 4: Simplify right side
    9,315.59x = 42,989,855.45
  5. Step 5: Solve for x
    x = 42,989,855.45/9,315.59
  6. Step 6: Final answer
    x = 4,614.83

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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.