Home / 12,123.03-18,184.55-3,357.95

Finding the Fourth Proportional to 12,123.03, 18,184.55 and 3,357.95

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Solution

The fourth proportional to 12,123.03, 18,184.55 and 3,357.95 is: 5,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123.03 : 18,184.55 = 3,357.95 : x
  2. Step 2: Convert to fraction form
    12,123.03/18,184.55 = 3,357.95/x
  3. Step 3: Cross multiply
    12,123.03x = 18,184.55 × 3,357.95
  4. Step 4: Simplify right side
    12,123.03x = 61,062,823.14
  5. Step 5: Solve for x
    x = 61,062,823.14/12,123.03
  6. Step 6: Final answer
    x = 5,036.93

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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.