Home / 11,440.15-17,084.10-11,316.45

Finding the Fourth Proportional to 11,440.15, 17,084.10 and 11,316.45

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Solution

The fourth proportional to 11,440.15, 17,084.10 and 11,316.45 is: 16,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.15 : 17,084.10 = 11,316.45 : x
  2. Step 2: Convert to fraction form
    11,440.15/17,084.10 = 11,316.45/x
  3. Step 3: Cross multiply
    11,440.15x = 17,084.10 × 11,316.45
  4. Step 4: Simplify right side
    11,440.15x = 193,331,306.86
  5. Step 5: Solve for x
    x = 193,331,306.86/11,440.15
  6. Step 6: Final answer
    x = 16,899.37

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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.