Home / 12,567.18-18,850.74-3,802.08

Finding the Fourth Proportional to 12,567.18, 18,850.74 and 3,802.08

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Solution

The fourth proportional to 12,567.18, 18,850.74 and 3,802.08 is: 5,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.18 : 18,850.74 = 3,802.08 : x
  2. Step 2: Convert to fraction form
    12,567.18/18,850.74 = 3,802.08/x
  3. Step 3: Cross multiply
    12,567.18x = 18,850.74 × 3,802.08
  4. Step 4: Simplify right side
    12,567.18x = 71,672,021.54
  5. Step 5: Solve for x
    x = 71,672,021.54/12,567.18
  6. Step 6: Final answer
    x = 5,703.11

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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.