Home / 10,927.18-15,079.47-6,211.46

Finding the Fourth Proportional to 10,927.18, 15,079.47 and 6,211.46

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Solution

The fourth proportional to 10,927.18, 15,079.47 and 6,211.46 is: 8,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.18 : 15,079.47 = 6,211.46 : x
  2. Step 2: Convert to fraction form
    10,927.18/15,079.47 = 6,211.46/x
  3. Step 3: Cross multiply
    10,927.18x = 15,079.47 × 6,211.46
  4. Step 4: Simplify right side
    10,927.18x = 93,665,524.73
  5. Step 5: Solve for x
    x = 93,665,524.73/10,927.18
  6. Step 6: Final answer
    x = 8,571.79

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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.