Home / 12,136.73-16,748.81-6,830.53

Finding the Fourth Proportional to 12,136.73, 16,748.81 and 6,830.53

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Solution

The fourth proportional to 12,136.73, 16,748.81 and 6,830.53 is: 9,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.73 : 16,748.81 = 6,830.53 : x
  2. Step 2: Convert to fraction form
    12,136.73/16,748.81 = 6,830.53/x
  3. Step 3: Cross multiply
    12,136.73x = 16,748.81 × 6,830.53
  4. Step 4: Simplify right side
    12,136.73x = 114,403,224.37
  5. Step 5: Solve for x
    x = 114,403,224.37/12,136.73
  6. Step 6: Final answer
    x = 9,426.20

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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.