Home / 9,180.58-12,669.20-4,988.83

Finding the Fourth Proportional to 9,180.58, 12,669.20 and 4,988.83

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Solution

The fourth proportional to 9,180.58, 12,669.20 and 4,988.83 is: 6,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.58 : 12,669.20 = 4,988.83 : x
  2. Step 2: Convert to fraction form
    9,180.58/12,669.20 = 4,988.83/x
  3. Step 3: Cross multiply
    9,180.58x = 12,669.20 × 4,988.83
  4. Step 4: Simplify right side
    9,180.58x = 63,204,485.04
  5. Step 5: Solve for x
    x = 63,204,485.04/9,180.58
  6. Step 6: Final answer
    x = 6,884.59

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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.