Home / 11,171.81-15,417.26-6,136.48

Finding the Fourth Proportional to 11,171.81, 15,417.26 and 6,136.48

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Solution

The fourth proportional to 11,171.81, 15,417.26 and 6,136.48 is: 8,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.81 : 15,417.26 = 6,136.48 : x
  2. Step 2: Convert to fraction form
    11,171.81/15,417.26 = 6,136.48/x
  3. Step 3: Cross multiply
    11,171.81x = 15,417.26 × 6,136.48
  4. Step 4: Simplify right side
    11,171.81x = 94,607,638.42
  5. Step 5: Solve for x
    x = 94,607,638.42/11,171.81
  6. Step 6: Final answer
    x = 8,468.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.