Home / 11,575.81-15,974.61-6,270.63

Finding the Fourth Proportional to 11,575.81, 15,974.61 and 6,270.63

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Solution

The fourth proportional to 11,575.81, 15,974.61 and 6,270.63 is: 8,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.81 : 15,974.61 = 6,270.63 : x
  2. Step 2: Convert to fraction form
    11,575.81/15,974.61 = 6,270.63/x
  3. Step 3: Cross multiply
    11,575.81x = 15,974.61 × 6,270.63
  4. Step 4: Simplify right side
    11,575.81x = 100,170,868.70
  5. Step 5: Solve for x
    x = 100,170,868.70/11,575.81
  6. Step 6: Final answer
    x = 8,653.47

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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.