Home / 8,780.03-12,117.26-4,801.73

Finding the Fourth Proportional to 8,780.03, 12,117.26 and 4,801.73

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Solution

The fourth proportional to 8,780.03, 12,117.26 and 4,801.73 is: 6,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.03 : 12,117.26 = 4,801.73 : x
  2. Step 2: Convert to fraction form
    8,780.03/12,117.26 = 4,801.73/x
  3. Step 3: Cross multiply
    8,780.03x = 12,117.26 × 4,801.73
  4. Step 4: Simplify right side
    8,780.03x = 58,183,762.28
  5. Step 5: Solve for x
    x = 58,183,762.28/8,780.03
  6. Step 6: Final answer
    x = 6,626.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.