Home / 10,709.41-14,778.75-5,929.07

Finding the Fourth Proportional to 10,709.41, 14,778.75 and 5,929.07

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Solution

The fourth proportional to 10,709.41, 14,778.75 and 5,929.07 is: 8,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.41 : 14,778.75 = 5,929.07 : x
  2. Step 2: Convert to fraction form
    10,709.41/14,778.75 = 5,929.07/x
  3. Step 3: Cross multiply
    10,709.41x = 14,778.75 × 5,929.07
  4. Step 4: Simplify right side
    10,709.41x = 87,624,213.62
  5. Step 5: Solve for x
    x = 87,624,213.62/10,709.41
  6. Step 6: Final answer
    x = 8,181.98

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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.