Home / 10,078.65-15,109.29-4,452.05

Finding the Fourth Proportional to 10,078.65, 15,109.29 and 4,452.05

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Solution

The fourth proportional to 10,078.65, 15,109.29 and 4,452.05 is: 6,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.65 : 15,109.29 = 4,452.05 : x
  2. Step 2: Convert to fraction form
    10,078.65/15,109.29 = 4,452.05/x
  3. Step 3: Cross multiply
    10,078.65x = 15,109.29 × 4,452.05
  4. Step 4: Simplify right side
    10,078.65x = 67,267,239.00
  5. Step 5: Solve for x
    x = 67,267,239.00/10,078.65
  6. Step 6: Final answer
    x = 6,674.23

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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.