Home / 10,653.41-15,979.55-4,079.09

Finding the Fourth Proportional to 10,653.41, 15,979.55 and 4,079.09

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Solution

The fourth proportional to 10,653.41, 15,979.55 and 4,079.09 is: 6,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.41 : 15,979.55 = 4,079.09 : x
  2. Step 2: Convert to fraction form
    10,653.41/15,979.55 = 4,079.09/x
  3. Step 3: Cross multiply
    10,653.41x = 15,979.55 × 4,079.09
  4. Step 4: Simplify right side
    10,653.41x = 65,182,002.21
  5. Step 5: Solve for x
    x = 65,182,002.21/10,653.41
  6. Step 6: Final answer
    x = 6,118.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.