Home / 11,693.02-16,136.43-6,387.52

Finding the Fourth Proportional to 11,693.02, 16,136.43 and 6,387.52

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Solution

The fourth proportional to 11,693.02, 16,136.43 and 6,387.52 is: 8,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.02 : 16,136.43 = 6,387.52 : x
  2. Step 2: Convert to fraction form
    11,693.02/16,136.43 = 6,387.52/x
  3. Step 3: Cross multiply
    11,693.02x = 16,136.43 × 6,387.52
  4. Step 4: Simplify right side
    11,693.02x = 103,071,769.35
  5. Step 5: Solve for x
    x = 103,071,769.35/11,693.02
  6. Step 6: Final answer
    x = 8,814.81

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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.