Home / 12,225.96-18,329.95-3,901.19

Finding the Fourth Proportional to 12,225.96, 18,329.95 and 3,901.19

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Solution

The fourth proportional to 12,225.96, 18,329.95 and 3,901.19 is: 5,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.96 : 18,329.95 = 3,901.19 : x
  2. Step 2: Convert to fraction form
    12,225.96/18,329.95 = 3,901.19/x
  3. Step 3: Cross multiply
    12,225.96x = 18,329.95 × 3,901.19
  4. Step 4: Simplify right side
    12,225.96x = 71,508,617.64
  5. Step 5: Solve for x
    x = 71,508,617.64/12,225.96
  6. Step 6: Final answer
    x = 5,848.92

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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.