Home / 12,830.90-19,234.20-4,061.03

Finding the Fourth Proportional to 12,830.90, 19,234.20 and 4,061.03

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Solution

The fourth proportional to 12,830.90, 19,234.20 and 4,061.03 is: 6,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.90 : 19,234.20 = 4,061.03 : x
  2. Step 2: Convert to fraction form
    12,830.90/19,234.20 = 4,061.03/x
  3. Step 3: Cross multiply
    12,830.90x = 19,234.20 × 4,061.03
  4. Step 4: Simplify right side
    12,830.90x = 78,110,663.23
  5. Step 5: Solve for x
    x = 78,110,663.23/12,830.90
  6. Step 6: Final answer
    x = 6,087.70

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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.