Home / 12,277.68-18,411.63-5,261.04

Finding the Fourth Proportional to 12,277.68, 18,411.63 and 5,261.04

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Solution

The fourth proportional to 12,277.68, 18,411.63 and 5,261.04 is: 7,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.68 : 18,411.63 = 5,261.04 : x
  2. Step 2: Convert to fraction form
    12,277.68/18,411.63 = 5,261.04/x
  3. Step 3: Cross multiply
    12,277.68x = 18,411.63 × 5,261.04
  4. Step 4: Simplify right side
    12,277.68x = 96,864,321.90
  5. Step 5: Solve for x
    x = 96,864,321.90/12,277.68
  6. Step 6: Final answer
    x = 7,889.46

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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.