Home / 10,870.23-16,308.09-3,079.11

Finding the Fourth Proportional to 10,870.23, 16,308.09 and 3,079.11

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Solution

The fourth proportional to 10,870.23, 16,308.09 and 3,079.11 is: 4,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.23 : 16,308.09 = 3,079.11 : x
  2. Step 2: Convert to fraction form
    10,870.23/16,308.09 = 3,079.11/x
  3. Step 3: Cross multiply
    10,870.23x = 16,308.09 × 3,079.11
  4. Step 4: Simplify right side
    10,870.23x = 50,214,403.00
  5. Step 5: Solve for x
    x = 50,214,403.00/10,870.23
  6. Step 6: Final answer
    x = 4,619.44

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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.