Home / 12,567.04-18,851.12-3,803.20

Finding the Fourth Proportional to 12,567.04, 18,851.12 and 3,803.20

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Solution

The fourth proportional to 12,567.04, 18,851.12 and 3,803.20 is: 5,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.04 : 18,851.12 = 3,803.20 : x
  2. Step 2: Convert to fraction form
    12,567.04/18,851.12 = 3,803.20/x
  3. Step 3: Cross multiply
    12,567.04x = 18,851.12 × 3,803.20
  4. Step 4: Simplify right side
    12,567.04x = 71,694,579.58
  5. Step 5: Solve for x
    x = 71,694,579.58/12,567.04
  6. Step 6: Final answer
    x = 5,704.97

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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.