Home / 7,246.50-10,000.68-4,102.70

Finding the Fourth Proportional to 7,246.50, 10,000.68 and 4,102.70

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Solution

The fourth proportional to 7,246.50, 10,000.68 and 4,102.70 is: 5,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.50 : 10,000.68 = 4,102.70 : x
  2. Step 2: Convert to fraction form
    7,246.50/10,000.68 = 4,102.70/x
  3. Step 3: Cross multiply
    7,246.50x = 10,000.68 × 4,102.70
  4. Step 4: Simplify right side
    7,246.50x = 41,029,789.84
  5. Step 5: Solve for x
    x = 41,029,789.84/7,246.50
  6. Step 6: Final answer
    x = 5,662.01

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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.