Home / 11,445.94-17,170.76-5,603.01

Finding the Fourth Proportional to 11,445.94, 17,170.76 and 5,603.01

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Solution

The fourth proportional to 11,445.94, 17,170.76 and 5,603.01 is: 8,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.94 : 17,170.76 = 5,603.01 : x
  2. Step 2: Convert to fraction form
    11,445.94/17,170.76 = 5,603.01/x
  3. Step 3: Cross multiply
    11,445.94x = 17,170.76 × 5,603.01
  4. Step 4: Simplify right side
    11,445.94x = 96,207,939.99
  5. Step 5: Solve for x
    x = 96,207,939.99/11,445.94
  6. Step 6: Final answer
    x = 8,405.42

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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.