Home / 10,073.12-15,114.64-4,530.38

Finding the Fourth Proportional to 10,073.12, 15,114.64 and 4,530.38

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Solution

The fourth proportional to 10,073.12, 15,114.64 and 4,530.38 is: 6,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.12 : 15,114.64 = 4,530.38 : x
  2. Step 2: Convert to fraction form
    10,073.12/15,114.64 = 4,530.38/x
  3. Step 3: Cross multiply
    10,073.12x = 15,114.64 × 4,530.38
  4. Step 4: Simplify right side
    10,073.12x = 68,475,062.76
  5. Step 5: Solve for x
    x = 68,475,062.76/10,073.12
  6. Step 6: Final answer
    x = 6,797.80

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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.