Home / 12,567.49-18,848.12-4,247.33

Finding the Fourth Proportional to 12,567.49, 18,848.12 and 4,247.33

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Solution

The fourth proportional to 12,567.49, 18,848.12 and 4,247.33 is: 6,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.49 : 18,848.12 = 4,247.33 : x
  2. Step 2: Convert to fraction form
    12,567.49/18,848.12 = 4,247.33/x
  3. Step 3: Cross multiply
    12,567.49x = 18,848.12 × 4,247.33
  4. Step 4: Simplify right side
    12,567.49x = 80,054,101.90
  5. Step 5: Solve for x
    x = 80,054,101.90/12,567.49
  6. Step 6: Final answer
    x = 6,369.94

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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.