Home / 11,372.51-17,064.36-5,136.86

Finding the Fourth Proportional to 11,372.51, 17,064.36 and 5,136.86

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Solution

The fourth proportional to 11,372.51, 17,064.36 and 5,136.86 is: 7,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.51 : 17,064.36 = 5,136.86 : x
  2. Step 2: Convert to fraction form
    11,372.51/17,064.36 = 5,136.86/x
  3. Step 3: Cross multiply
    11,372.51x = 17,064.36 × 5,136.86
  4. Step 4: Simplify right side
    11,372.51x = 87,657,228.31
  5. Step 5: Solve for x
    x = 87,657,228.31/11,372.51
  6. Step 6: Final answer
    x = 7,707.82

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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.