Home / 10,839.96-14,958-6,123.33

Finding the Fourth Proportional to 10,839.96, 14,958 and 6,123.33

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Solution

The fourth proportional to 10,839.96, 14,958 and 6,123.33 is: 8,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.96 : 14,958 = 6,123.33 : x
  2. Step 2: Convert to fraction form
    10,839.96/14,958 = 6,123.33/x
  3. Step 3: Cross multiply
    10,839.96x = 14,958 × 6,123.33
  4. Step 4: Simplify right side
    10,839.96x = 91,592,770.14
  5. Step 5: Solve for x
    x = 91,592,770.14/10,839.96
  6. Step 6: Final answer
    x = 8,449.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.