Home / 11,735.40-17,603.90-3,415.48

Finding the Fourth Proportional to 11,735.40, 17,603.90 and 3,415.48

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Solution

The fourth proportional to 11,735.40, 17,603.90 and 3,415.48 is: 5,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.40 : 17,603.90 = 3,415.48 : x
  2. Step 2: Convert to fraction form
    11,735.40/17,603.90 = 3,415.48/x
  3. Step 3: Cross multiply
    11,735.40x = 17,603.90 × 3,415.48
  4. Step 4: Simplify right side
    11,735.40x = 60,125,768.37
  5. Step 5: Solve for x
    x = 60,125,768.37/11,735.40
  6. Step 6: Final answer
    x = 5,123.45

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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.