Home / 10,316.43-15,471.36-4,078.08

Finding the Fourth Proportional to 10,316.43, 15,471.36 and 4,078.08

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Solution

The fourth proportional to 10,316.43, 15,471.36 and 4,078.08 is: 6,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.43 : 15,471.36 = 4,078.08 : x
  2. Step 2: Convert to fraction form
    10,316.43/15,471.36 = 4,078.08/x
  3. Step 3: Cross multiply
    10,316.43x = 15,471.36 × 4,078.08
  4. Step 4: Simplify right side
    10,316.43x = 63,093,443.79
  5. Step 5: Solve for x
    x = 63,093,443.79/10,316.43
  6. Step 6: Final answer
    x = 6,115.82

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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.