Home / 9,118.02-13,678.65-3,195.30

Finding the Fourth Proportional to 9,118.02, 13,678.65 and 3,195.30

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Solution

The fourth proportional to 9,118.02, 13,678.65 and 3,195.30 is: 4,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.02 : 13,678.65 = 3,195.30 : x
  2. Step 2: Convert to fraction form
    9,118.02/13,678.65 = 3,195.30/x
  3. Step 3: Cross multiply
    9,118.02x = 13,678.65 × 3,195.30
  4. Step 4: Simplify right side
    9,118.02x = 43,707,390.35
  5. Step 5: Solve for x
    x = 43,707,390.35/9,118.02
  6. Step 6: Final answer
    x = 4,793.52

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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.