Home / 10,710.78-14,780.56-6,234.43

Finding the Fourth Proportional to 10,710.78, 14,780.56 and 6,234.43

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Solution

The fourth proportional to 10,710.78, 14,780.56 and 6,234.43 is: 8,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.78 : 14,780.56 = 6,234.43 : x
  2. Step 2: Convert to fraction form
    10,710.78/14,780.56 = 6,234.43/x
  3. Step 3: Cross multiply
    10,710.78x = 14,780.56 × 6,234.43
  4. Step 4: Simplify right side
    10,710.78x = 92,148,366.68
  5. Step 5: Solve for x
    x = 92,148,366.68/10,710.78
  6. Step 6: Final answer
    x = 8,603.33

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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.