Home / 12,323.52-18,465.84-6,768.54

Finding the Fourth Proportional to 12,323.52, 18,465.84 and 6,768.54

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Solution

The fourth proportional to 12,323.52, 18,465.84 and 6,768.54 is: 10,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.52 : 18,465.84 = 6,768.54 : x
  2. Step 2: Convert to fraction form
    12,323.52/18,465.84 = 6,768.54/x
  3. Step 3: Cross multiply
    12,323.52x = 18,465.84 × 6,768.54
  4. Step 4: Simplify right side
    12,323.52x = 124,986,776.67
  5. Step 5: Solve for x
    x = 124,986,776.67/12,323.52
  6. Step 6: Final answer
    x = 10,142.13

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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.