Home / 8,628.83-11,906.95-4,851.12

Finding the Fourth Proportional to 8,628.83, 11,906.95 and 4,851.12

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Solution

The fourth proportional to 8,628.83, 11,906.95 and 4,851.12 is: 6,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.83 : 11,906.95 = 4,851.12 : x
  2. Step 2: Convert to fraction form
    8,628.83/11,906.95 = 4,851.12/x
  3. Step 3: Cross multiply
    8,628.83x = 11,906.95 × 4,851.12
  4. Step 4: Simplify right side
    8,628.83x = 57,762,019.03
  5. Step 5: Solve for x
    x = 57,762,019.03/8,628.83
  6. Step 6: Final answer
    x = 6,694.08

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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.