Home / 12,271.20-18,408.50-6,031.45

Finding the Fourth Proportional to 12,271.20, 18,408.50 and 6,031.45

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Solution

The fourth proportional to 12,271.20, 18,408.50 and 6,031.45 is: 9,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.20 : 18,408.50 = 6,031.45 : x
  2. Step 2: Convert to fraction form
    12,271.20/18,408.50 = 6,031.45/x
  3. Step 3: Cross multiply
    12,271.20x = 18,408.50 × 6,031.45
  4. Step 4: Simplify right side
    12,271.20x = 111,029,962.35
  5. Step 5: Solve for x
    x = 111,029,962.35/12,271.20
  6. Step 6: Final answer
    x = 9,048.01

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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.