Home / 11,403.07-16,950.71-11,066.72

Finding the Fourth Proportional to 11,403.07, 16,950.71 and 11,066.72

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Solution

The fourth proportional to 11,403.07, 16,950.71 and 11,066.72 is: 16,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.07 : 16,950.71 = 11,066.72 : x
  2. Step 2: Convert to fraction form
    11,403.07/16,950.71 = 11,066.72/x
  3. Step 3: Cross multiply
    11,403.07x = 16,950.71 × 11,066.72
  4. Step 4: Simplify right side
    11,403.07x = 187,588,704.28
  5. Step 5: Solve for x
    x = 187,588,704.28/11,403.07
  6. Step 6: Final answer
    x = 16,450.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.