Home / 11,575.85-15,974.65-6,270.68

Finding the Fourth Proportional to 11,575.85, 15,974.65 and 6,270.68

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Solution

The fourth proportional to 11,575.85, 15,974.65 and 6,270.68 is: 8,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.85 : 15,974.65 = 6,270.68 : x
  2. Step 2: Convert to fraction form
    11,575.85/15,974.65 = 6,270.68/x
  3. Step 3: Cross multiply
    11,575.85x = 15,974.65 × 6,270.68
  4. Step 4: Simplify right side
    11,575.85x = 100,171,966.04
  5. Step 5: Solve for x
    x = 100,171,966.04/11,575.85
  6. Step 6: Final answer
    x = 8,653.53

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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.