Home / 11,938.19-16,475.21-6,632.99

Finding the Fourth Proportional to 11,938.19, 16,475.21 and 6,632.99

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Solution

The fourth proportional to 11,938.19, 16,475.21 and 6,632.99 is: 9,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.19 : 16,475.21 = 6,632.99 : x
  2. Step 2: Convert to fraction form
    11,938.19/16,475.21 = 6,632.99/x
  3. Step 3: Cross multiply
    11,938.19x = 16,475.21 × 6,632.99
  4. Step 4: Simplify right side
    11,938.19x = 109,279,936.07
  5. Step 5: Solve for x
    x = 109,279,936.07/11,938.19
  6. Step 6: Final answer
    x = 9,153.81

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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.