Home / 10,396.18-15,603.06-4,160.56

Finding the Fourth Proportional to 10,396.18, 15,603.06 and 4,160.56

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Solution

The fourth proportional to 10,396.18, 15,603.06 and 4,160.56 is: 6,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.18 : 15,603.06 = 4,160.56 : x
  2. Step 2: Convert to fraction form
    10,396.18/15,603.06 = 4,160.56/x
  3. Step 3: Cross multiply
    10,396.18x = 15,603.06 × 4,160.56
  4. Step 4: Simplify right side
    10,396.18x = 64,917,467.31
  5. Step 5: Solve for x
    x = 64,917,467.31/10,396.18
  6. Step 6: Final answer
    x = 6,244.36

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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.