Home / 12,302.04-16,974.24-7,824.18

Finding the Fourth Proportional to 12,302.04, 16,974.24 and 7,824.18

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Solution

The fourth proportional to 12,302.04, 16,974.24 and 7,824.18 is: 10,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.04 : 16,974.24 = 7,824.18 : x
  2. Step 2: Convert to fraction form
    12,302.04/16,974.24 = 7,824.18/x
  3. Step 3: Cross multiply
    12,302.04x = 16,974.24 × 7,824.18
  4. Step 4: Simplify right side
    12,302.04x = 132,809,509.12
  5. Step 5: Solve for x
    x = 132,809,509.12/12,302.04
  6. Step 6: Final answer
    x = 10,795.73

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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.