Home / 8,847.41-12,209.47-5,070.80

Finding the Fourth Proportional to 8,847.41, 12,209.47 and 5,070.80

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Solution

The fourth proportional to 8,847.41, 12,209.47 and 5,070.80 is: 6,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.41 : 12,209.47 = 5,070.80 : x
  2. Step 2: Convert to fraction form
    8,847.41/12,209.47 = 5,070.80/x
  3. Step 3: Cross multiply
    8,847.41x = 12,209.47 × 5,070.80
  4. Step 4: Simplify right side
    8,847.41x = 61,911,752.54
  5. Step 5: Solve for x
    x = 61,911,752.54/8,847.41
  6. Step 6: Final answer
    x = 6,997.73

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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.