Home / 10,745.64-16,145.58-10,308.24

Finding the Fourth Proportional to 10,745.64, 16,145.58 and 10,308.24

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Solution

The fourth proportional to 10,745.64, 16,145.58 and 10,308.24 is: 15,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.64 : 16,145.58 = 10,308.24 : x
  2. Step 2: Convert to fraction form
    10,745.64/16,145.58 = 10,308.24/x
  3. Step 3: Cross multiply
    10,745.64x = 16,145.58 × 10,308.24
  4. Step 4: Simplify right side
    10,745.64x = 166,432,513.58
  5. Step 5: Solve for x
    x = 166,432,513.58/10,745.64
  6. Step 6: Final answer
    x = 15,488.38

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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.