Home / 11,136.96-15,271.47-10,764.36

Finding the Fourth Proportional to 11,136.96, 15,271.47 and 10,764.36

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Solution

The fourth proportional to 11,136.96, 15,271.47 and 10,764.36 is: 14,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.96 : 15,271.47 = 10,764.36 : x
  2. Step 2: Convert to fraction form
    11,136.96/15,271.47 = 10,764.36/x
  3. Step 3: Cross multiply
    11,136.96x = 15,271.47 × 10,764.36
  4. Step 4: Simplify right side
    11,136.96x = 164,387,600.81
  5. Step 5: Solve for x
    x = 164,387,600.81/11,136.96
  6. Step 6: Final answer
    x = 14,760.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.