Home / 8,031.36-12,055.68-3,354.60

Finding the Fourth Proportional to 8,031.36, 12,055.68 and 3,354.60

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Solution

The fourth proportional to 8,031.36, 12,055.68 and 3,354.60 is: 5,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.36 : 12,055.68 = 3,354.60 : x
  2. Step 2: Convert to fraction form
    8,031.36/12,055.68 = 3,354.60/x
  3. Step 3: Cross multiply
    8,031.36x = 12,055.68 × 3,354.60
  4. Step 4: Simplify right side
    8,031.36x = 40,441,984.13
  5. Step 5: Solve for x
    x = 40,441,984.13/8,031.36
  6. Step 6: Final answer
    x = 5,035.51

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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.