Home / 12,465.39-18,682.49-6,227.15

Finding the Fourth Proportional to 12,465.39, 18,682.49 and 6,227.15

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Solution

The fourth proportional to 12,465.39, 18,682.49 and 6,227.15 is: 9,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.39 : 18,682.49 = 6,227.15 : x
  2. Step 2: Convert to fraction form
    12,465.39/18,682.49 = 6,227.15/x
  3. Step 3: Cross multiply
    12,465.39x = 18,682.49 × 6,227.15
  4. Step 4: Simplify right side
    12,465.39x = 116,338,574.19
  5. Step 5: Solve for x
    x = 116,338,574.19/12,465.39
  6. Step 6: Final answer
    x = 9,332.93

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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.