Home / 7,050.70-9,747.30-6,984.28

Finding the Fourth Proportional to 7,050.70, 9,747.30 and 6,984.28

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Solution

The fourth proportional to 7,050.70, 9,747.30 and 6,984.28 is: 9,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.70 : 9,747.30 = 6,984.28 : x
  2. Step 2: Convert to fraction form
    7,050.70/9,747.30 = 6,984.28/x
  3. Step 3: Cross multiply
    7,050.70x = 9,747.30 × 6,984.28
  4. Step 4: Simplify right side
    7,050.70x = 68,077,872.44
  5. Step 5: Solve for x
    x = 68,077,872.44/7,050.70
  6. Step 6: Final answer
    x = 9,655.48

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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.