Home / 10,839.84-14,959.31-6,124.42

Finding the Fourth Proportional to 10,839.84, 14,959.31 and 6,124.42

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Solution

The fourth proportional to 10,839.84, 14,959.31 and 6,124.42 is: 8,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.84 : 14,959.31 = 6,124.42 : x
  2. Step 2: Convert to fraction form
    10,839.84/14,959.31 = 6,124.42/x
  3. Step 3: Cross multiply
    10,839.84x = 14,959.31 × 6,124.42
  4. Step 4: Simplify right side
    10,839.84x = 91,617,097.35
  5. Step 5: Solve for x
    x = 91,617,097.35/10,839.84
  6. Step 6: Final answer
    x = 8,451.89

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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.