Home / 8,353.08-12,530.46-3,089.49

Finding the Fourth Proportional to 8,353.08, 12,530.46 and 3,089.49

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Solution

The fourth proportional to 8,353.08, 12,530.46 and 3,089.49 is: 4,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.08 : 12,530.46 = 3,089.49 : x
  2. Step 2: Convert to fraction form
    8,353.08/12,530.46 = 3,089.49/x
  3. Step 3: Cross multiply
    8,353.08x = 12,530.46 × 3,089.49
  4. Step 4: Simplify right side
    8,353.08x = 38,712,730.87
  5. Step 5: Solve for x
    x = 38,712,730.87/8,353.08
  6. Step 6: Final answer
    x = 4,634.55

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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.