Home / 10,313.39-15,467.61-4,761.40

Finding the Fourth Proportional to 10,313.39, 15,467.61 and 4,761.40

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Solution

The fourth proportional to 10,313.39, 15,467.61 and 4,761.40 is: 7,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.39 : 15,467.61 = 4,761.40 : x
  2. Step 2: Convert to fraction form
    10,313.39/15,467.61 = 4,761.40/x
  3. Step 3: Cross multiply
    10,313.39x = 15,467.61 × 4,761.40
  4. Step 4: Simplify right side
    10,313.39x = 73,647,478.99
  5. Step 5: Solve for x
    x = 73,647,478.99/10,313.39
  6. Step 6: Final answer
    x = 7,140.96

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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.