Home / 10,728.34-14,805.12-6,012.62

Finding the Fourth Proportional to 10,728.34, 14,805.12 and 6,012.62

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Solution

The fourth proportional to 10,728.34, 14,805.12 and 6,012.62 is: 8,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.34 : 14,805.12 = 6,012.62 : x
  2. Step 2: Convert to fraction form
    10,728.34/14,805.12 = 6,012.62/x
  3. Step 3: Cross multiply
    10,728.34x = 14,805.12 × 6,012.62
  4. Step 4: Simplify right side
    10,728.34x = 89,017,486.59
  5. Step 5: Solve for x
    x = 89,017,486.59/10,728.34
  6. Step 6: Final answer
    x = 8,297.42

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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.