Home / 8,847.09-12,195.63-7,272.45

Finding the Fourth Proportional to 8,847.09, 12,195.63 and 7,272.45

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Solution

The fourth proportional to 8,847.09, 12,195.63 and 7,272.45 is: 10,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.09 : 12,195.63 = 7,272.45 : x
  2. Step 2: Convert to fraction form
    8,847.09/12,195.63 = 7,272.45/x
  3. Step 3: Cross multiply
    8,847.09x = 12,195.63 × 7,272.45
  4. Step 4: Simplify right side
    8,847.09x = 88,692,109.39
  5. Step 5: Solve for x
    x = 88,692,109.39/8,847.09
  6. Step 6: Final answer
    x = 10,025.00

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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.