Home / 12,908.16-19,358.19-4,141.13

Finding the Fourth Proportional to 12,908.16, 19,358.19 and 4,141.13

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Solution

The fourth proportional to 12,908.16, 19,358.19 and 4,141.13 is: 6,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.16 : 19,358.19 = 4,141.13 : x
  2. Step 2: Convert to fraction form
    12,908.16/19,358.19 = 4,141.13/x
  3. Step 3: Cross multiply
    12,908.16x = 19,358.19 × 4,141.13
  4. Step 4: Simplify right side
    12,908.16x = 80,164,684.56
  5. Step 5: Solve for x
    x = 80,164,684.56/12,908.16
  6. Step 6: Final answer
    x = 6,210.39

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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.