Home / 12,475.33-18,715.05-6,235.56

Finding the Fourth Proportional to 12,475.33, 18,715.05 and 6,235.56

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Solution

The fourth proportional to 12,475.33, 18,715.05 and 6,235.56 is: 9,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.33 : 18,715.05 = 6,235.56 : x
  2. Step 2: Convert to fraction form
    12,475.33/18,715.05 = 6,235.56/x
  3. Step 3: Cross multiply
    12,475.33x = 18,715.05 × 6,235.56
  4. Step 4: Simplify right side
    12,475.33x = 116,698,817.18
  5. Step 5: Solve for x
    x = 116,698,817.18/12,475.33
  6. Step 6: Final answer
    x = 9,354.37

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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.