Home / 10,457.32-15,676.08-3,879.04

Finding the Fourth Proportional to 10,457.32, 15,676.08 and 3,879.04

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Solution

The fourth proportional to 10,457.32, 15,676.08 and 3,879.04 is: 5,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.32 : 15,676.08 = 3,879.04 : x
  2. Step 2: Convert to fraction form
    10,457.32/15,676.08 = 3,879.04/x
  3. Step 3: Cross multiply
    10,457.32x = 15,676.08 × 3,879.04
  4. Step 4: Simplify right side
    10,457.32x = 60,808,141.36
  5. Step 5: Solve for x
    x = 60,808,141.36/10,457.32
  6. Step 6: Final answer
    x = 5,814.89

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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.