Home / 12,835.90-19,255.12-5,337.92

Finding the Fourth Proportional to 12,835.90, 19,255.12 and 5,337.92

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Solution

The fourth proportional to 12,835.90, 19,255.12 and 5,337.92 is: 8,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.90 : 19,255.12 = 5,337.92 : x
  2. Step 2: Convert to fraction form
    12,835.90/19,255.12 = 5,337.92/x
  3. Step 3: Cross multiply
    12,835.90x = 19,255.12 × 5,337.92
  4. Step 4: Simplify right side
    12,835.90x = 102,782,290.15
  5. Step 5: Solve for x
    x = 102,782,290.15/12,835.90
  6. Step 6: Final answer
    x = 8,007.41

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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.