Home / 10,839.84-14,960.21-6,124.43

Finding the Fourth Proportional to 10,839.84, 14,960.21 and 6,124.43

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Solution

The fourth proportional to 10,839.84, 14,960.21 and 6,124.43 is: 8,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.84 : 14,960.21 = 6,124.43 : x
  2. Step 2: Convert to fraction form
    10,839.84/14,960.21 = 6,124.43/x
  3. Step 3: Cross multiply
    10,839.84x = 14,960.21 × 6,124.43
  4. Step 4: Simplify right side
    10,839.84x = 91,622,653.51
  5. Step 5: Solve for x
    x = 91,622,653.51/10,839.84
  6. Step 6: Final answer
    x = 8,452.40

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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.