Home / 12,057.58-18,088.56-4,160.98

Finding the Fourth Proportional to 12,057.58, 18,088.56 and 4,160.98

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Solution

The fourth proportional to 12,057.58, 18,088.56 and 4,160.98 is: 6,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.58 : 18,088.56 = 4,160.98 : x
  2. Step 2: Convert to fraction form
    12,057.58/18,088.56 = 4,160.98/x
  3. Step 3: Cross multiply
    12,057.58x = 18,088.56 × 4,160.98
  4. Step 4: Simplify right side
    12,057.58x = 75,266,136.39
  5. Step 5: Solve for x
    x = 75,266,136.39/12,057.58
  6. Step 6: Final answer
    x = 6,242.23

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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.