Home / 10,979.26-16,470.90-4,406.10

Finding the Fourth Proportional to 10,979.26, 16,470.90 and 4,406.10

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Solution

The fourth proportional to 10,979.26, 16,470.90 and 4,406.10 is: 6,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.26 : 16,470.90 = 4,406.10 : x
  2. Step 2: Convert to fraction form
    10,979.26/16,470.90 = 4,406.10/x
  3. Step 3: Cross multiply
    10,979.26x = 16,470.90 × 4,406.10
  4. Step 4: Simplify right side
    10,979.26x = 72,572,432.49
  5. Step 5: Solve for x
    x = 72,572,432.49/10,979.26
  6. Step 6: Final answer
    x = 6,609.96

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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.