Home / 12,064.28-18,102.58-5,746.30

Finding the Fourth Proportional to 12,064.28, 18,102.58 and 5,746.30

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Solution

The fourth proportional to 12,064.28, 18,102.58 and 5,746.30 is: 8,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.28 : 18,102.58 = 5,746.30 : x
  2. Step 2: Convert to fraction form
    12,064.28/18,102.58 = 5,746.30/x
  3. Step 3: Cross multiply
    12,064.28x = 18,102.58 × 5,746.30
  4. Step 4: Simplify right side
    12,064.28x = 104,022,855.45
  5. Step 5: Solve for x
    x = 104,022,855.45/12,064.28
  6. Step 6: Final answer
    x = 8,622.38

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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.