Home / 11,938.10-16,475.09-6,632.87

Finding the Fourth Proportional to 11,938.10, 16,475.09 and 6,632.87

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Solution

The fourth proportional to 11,938.10, 16,475.09 and 6,632.87 is: 9,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.10 : 16,475.09 = 6,632.87 : x
  2. Step 2: Convert to fraction form
    11,938.10/16,475.09 = 6,632.87/x
  3. Step 3: Cross multiply
    11,938.10x = 16,475.09 × 6,632.87
  4. Step 4: Simplify right side
    11,938.10x = 109,277,014.67
  5. Step 5: Solve for x
    x = 109,277,014.67/11,938.10
  6. Step 6: Final answer
    x = 9,153.64

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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.