Home / 7,171.23-10,756.80-4,247.44

Finding the Fourth Proportional to 7,171.23, 10,756.80 and 4,247.44

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Solution

The fourth proportional to 7,171.23, 10,756.80 and 4,247.44 is: 6,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.23 : 10,756.80 = 4,247.44 : x
  2. Step 2: Convert to fraction form
    7,171.23/10,756.80 = 4,247.44/x
  3. Step 3: Cross multiply
    7,171.23x = 10,756.80 × 4,247.44
  4. Step 4: Simplify right side
    7,171.23x = 45,688,835.70
  5. Step 5: Solve for x
    x = 45,688,835.70/7,171.23
  6. Step 6: Final answer
    x = 6,371.13

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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.