Home / 12,795.34-19,178.42-5,855.26

Finding the Fourth Proportional to 12,795.34, 19,178.42 and 5,855.26

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Solution

The fourth proportional to 12,795.34, 19,178.42 and 5,855.26 is: 8,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.34 : 19,178.42 = 5,855.26 : x
  2. Step 2: Convert to fraction form
    12,795.34/19,178.42 = 5,855.26/x
  3. Step 3: Cross multiply
    12,795.34x = 19,178.42 × 5,855.26
  4. Step 4: Simplify right side
    12,795.34x = 112,294,635.49
  5. Step 5: Solve for x
    x = 112,294,635.49/12,795.34
  6. Step 6: Final answer
    x = 8,776.21

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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.