Home / 13,201.08-19,786.86-6,261

Finding the Fourth Proportional to 13,201.08, 19,786.86 and 6,261

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Solution

The fourth proportional to 13,201.08, 19,786.86 and 6,261 is: 9,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.08 : 19,786.86 = 6,261 : x
  2. Step 2: Convert to fraction form
    13,201.08/19,786.86 = 6,261/x
  3. Step 3: Cross multiply
    13,201.08x = 19,786.86 × 6,261
  4. Step 4: Simplify right side
    13,201.08x = 123,885,530.46
  5. Step 5: Solve for x
    x = 123,885,530.46/13,201.08
  6. Step 6: Final answer
    x = 9,384.50

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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.