Home / 11,575.59-15,974.33-6,270.40

Finding the Fourth Proportional to 11,575.59, 15,974.33 and 6,270.40

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Solution

The fourth proportional to 11,575.59, 15,974.33 and 6,270.40 is: 8,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.59 : 15,974.33 = 6,270.40 : x
  2. Step 2: Convert to fraction form
    11,575.59/15,974.33 = 6,270.40/x
  3. Step 3: Cross multiply
    11,575.59x = 15,974.33 × 6,270.40
  4. Step 4: Simplify right side
    11,575.59x = 100,165,438.83
  5. Step 5: Solve for x
    x = 100,165,438.83/11,575.59
  6. Step 6: Final answer
    x = 8,653.16

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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.