Home / 12,535.04-18,803.04-3,771.20

Finding the Fourth Proportional to 12,535.04, 18,803.04 and 3,771.20

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Solution

The fourth proportional to 12,535.04, 18,803.04 and 3,771.20 is: 5,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.04 : 18,803.04 = 3,771.20 : x
  2. Step 2: Convert to fraction form
    12,535.04/18,803.04 = 3,771.20/x
  3. Step 3: Cross multiply
    12,535.04x = 18,803.04 × 3,771.20
  4. Step 4: Simplify right side
    12,535.04x = 70,910,024.45
  5. Step 5: Solve for x
    x = 70,910,024.45/12,535.04
  6. Step 6: Final answer
    x = 5,656.94

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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.