Home / 12,444.48-18,661.98-4,123.08

Finding the Fourth Proportional to 12,444.48, 18,661.98 and 4,123.08

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Solution

The fourth proportional to 12,444.48, 18,661.98 and 4,123.08 is: 6,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.48 : 18,661.98 = 4,123.08 : x
  2. Step 2: Convert to fraction form
    12,444.48/18,661.98 = 4,123.08/x
  3. Step 3: Cross multiply
    12,444.48x = 18,661.98 × 4,123.08
  4. Step 4: Simplify right side
    12,444.48x = 76,944,836.50
  5. Step 5: Solve for x
    x = 76,944,836.50/12,444.48
  6. Step 6: Final answer
    x = 6,183.05

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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.