Home / 12,699.96-19,037.88-4,907.04

Finding the Fourth Proportional to 12,699.96, 19,037.88 and 4,907.04

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Solution

The fourth proportional to 12,699.96, 19,037.88 and 4,907.04 is: 7,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.96 : 19,037.88 = 4,907.04 : x
  2. Step 2: Convert to fraction form
    12,699.96/19,037.88 = 4,907.04/x
  3. Step 3: Cross multiply
    12,699.96x = 19,037.88 × 4,907.04
  4. Step 4: Simplify right side
    12,699.96x = 93,419,638.68
  5. Step 5: Solve for x
    x = 93,419,638.68/12,699.96
  6. Step 6: Final answer
    x = 7,355.90

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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.