Home / 10,945.98-15,102.45-6,467.76

Finding the Fourth Proportional to 10,945.98, 15,102.45 and 6,467.76

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Solution

The fourth proportional to 10,945.98, 15,102.45 and 6,467.76 is: 8,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.98 : 15,102.45 = 6,467.76 : x
  2. Step 2: Convert to fraction form
    10,945.98/15,102.45 = 6,467.76/x
  3. Step 3: Cross multiply
    10,945.98x = 15,102.45 × 6,467.76
  4. Step 4: Simplify right side
    10,945.98x = 97,679,022.01
  5. Step 5: Solve for x
    x = 97,679,022.01/10,945.98
  6. Step 6: Final answer
    x = 8,923.73

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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.