Home / 12,306.29-18,459.71-4,409.33

Finding the Fourth Proportional to 12,306.29, 18,459.71 and 4,409.33

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Solution

The fourth proportional to 12,306.29, 18,459.71 and 4,409.33 is: 6,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.29 : 18,459.71 = 4,409.33 : x
  2. Step 2: Convert to fraction form
    12,306.29/18,459.71 = 4,409.33/x
  3. Step 3: Cross multiply
    12,306.29x = 18,459.71 × 4,409.33
  4. Step 4: Simplify right side
    12,306.29x = 81,394,838.75
  5. Step 5: Solve for x
    x = 81,394,838.75/12,306.29
  6. Step 6: Final answer
    x = 6,614.08

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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.