Home / 12,896.57-19,347.64-4,011.73

Finding the Fourth Proportional to 12,896.57, 19,347.64 and 4,011.73

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Solution

The fourth proportional to 12,896.57, 19,347.64 and 4,011.73 is: 6,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.57 : 19,347.64 = 4,011.73 : x
  2. Step 2: Convert to fraction form
    12,896.57/19,347.64 = 4,011.73/x
  3. Step 3: Cross multiply
    12,896.57x = 19,347.64 × 4,011.73
  4. Step 4: Simplify right side
    12,896.57x = 77,617,547.97
  5. Step 5: Solve for x
    x = 77,617,547.97/12,896.57
  6. Step 6: Final answer
    x = 6,018.46

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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.