Home / 12,302.49-18,453.83-5,276.58

Finding the Fourth Proportional to 12,302.49, 18,453.83 and 5,276.58

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Solution

The fourth proportional to 12,302.49, 18,453.83 and 5,276.58 is: 7,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.49 : 18,453.83 = 5,276.58 : x
  2. Step 2: Convert to fraction form
    12,302.49/18,453.83 = 5,276.58/x
  3. Step 3: Cross multiply
    12,302.49x = 18,453.83 × 5,276.58
  4. Step 4: Simplify right side
    12,302.49x = 97,372,991.65
  5. Step 5: Solve for x
    x = 97,372,991.65/12,302.49
  6. Step 6: Final answer
    x = 7,914.90

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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.