Home / 10,313.30-15,467.47-4,761.31

Finding the Fourth Proportional to 10,313.30, 15,467.47 and 4,761.31

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Solution

The fourth proportional to 10,313.30, 15,467.47 and 4,761.31 is: 7,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.30 : 15,467.47 = 4,761.31 : x
  2. Step 2: Convert to fraction form
    10,313.30/15,467.47 = 4,761.31/x
  3. Step 3: Cross multiply
    10,313.30x = 15,467.47 × 4,761.31
  4. Step 4: Simplify right side
    10,313.30x = 73,645,460.49
  5. Step 5: Solve for x
    x = 73,645,460.49/10,313.30
  6. Step 6: Final answer
    x = 7,140.82

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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.