Home / 6,219.12-9,330.12-2,059.08

Finding the Fourth Proportional to 6,219.12, 9,330.12 and 2,059.08

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Solution

The fourth proportional to 6,219.12, 9,330.12 and 2,059.08 is: 3,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.12 : 9,330.12 = 2,059.08 : x
  2. Step 2: Convert to fraction form
    6,219.12/9,330.12 = 2,059.08/x
  3. Step 3: Cross multiply
    6,219.12x = 9,330.12 × 2,059.08
  4. Step 4: Simplify right side
    6,219.12x = 19,211,463.49
  5. Step 5: Solve for x
    x = 19,211,463.49/6,219.12
  6. Step 6: Final answer
    x = 3,089.10

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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.