Home / 10,351.16-15,530.52-6,458.84

Finding the Fourth Proportional to 10,351.16, 15,530.52 and 6,458.84

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Solution

The fourth proportional to 10,351.16, 15,530.52 and 6,458.84 is: 9,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.16 : 15,530.52 = 6,458.84 : x
  2. Step 2: Convert to fraction form
    10,351.16/15,530.52 = 6,458.84/x
  3. Step 3: Cross multiply
    10,351.16x = 15,530.52 × 6,458.84
  4. Step 4: Simplify right side
    10,351.16x = 100,309,143.80
  5. Step 5: Solve for x
    x = 100,309,143.80/10,351.16
  6. Step 6: Final answer
    x = 9,690.62

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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.