Home / 10,948.24-16,416.49-3,450.40

Finding the Fourth Proportional to 10,948.24, 16,416.49 and 3,450.40

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Solution

The fourth proportional to 10,948.24, 16,416.49 and 3,450.40 is: 5,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.24 : 16,416.49 = 3,450.40 : x
  2. Step 2: Convert to fraction form
    10,948.24/16,416.49 = 3,450.40/x
  3. Step 3: Cross multiply
    10,948.24x = 16,416.49 × 3,450.40
  4. Step 4: Simplify right side
    10,948.24x = 56,643,457.10
  5. Step 5: Solve for x
    x = 56,643,457.10/10,948.24
  6. Step 6: Final answer
    x = 5,173.75

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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.