Home / 8,783.55-13,176.01-2,543.66

Finding the Fourth Proportional to 8,783.55, 13,176.01 and 2,543.66

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Solution

The fourth proportional to 8,783.55, 13,176.01 and 2,543.66 is: 3,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.55 : 13,176.01 = 2,543.66 : x
  2. Step 2: Convert to fraction form
    8,783.55/13,176.01 = 2,543.66/x
  3. Step 3: Cross multiply
    8,783.55x = 13,176.01 × 2,543.66
  4. Step 4: Simplify right side
    8,783.55x = 33,515,289.60
  5. Step 5: Solve for x
    x = 33,515,289.60/8,783.55
  6. Step 6: Final answer
    x = 3,815.69

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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.