Home / 10,730.16-16,097.40-3,805.20

Finding the Fourth Proportional to 10,730.16, 16,097.40 and 3,805.20

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Solution

The fourth proportional to 10,730.16, 16,097.40 and 3,805.20 is: 5,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.16 : 16,097.40 = 3,805.20 : x
  2. Step 2: Convert to fraction form
    10,730.16/16,097.40 = 3,805.20/x
  3. Step 3: Cross multiply
    10,730.16x = 16,097.40 × 3,805.20
  4. Step 4: Simplify right side
    10,730.16x = 61,253,826.48
  5. Step 5: Solve for x
    x = 61,253,826.48/10,730.16
  6. Step 6: Final answer
    x = 5,708.57

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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.