Home / 7,286.60-10,929.96-4,521.32

Finding the Fourth Proportional to 7,286.60, 10,929.96 and 4,521.32

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Solution

The fourth proportional to 7,286.60, 10,929.96 and 4,521.32 is: 6,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.60 : 10,929.96 = 4,521.32 : x
  2. Step 2: Convert to fraction form
    7,286.60/10,929.96 = 4,521.32/x
  3. Step 3: Cross multiply
    7,286.60x = 10,929.96 × 4,521.32
  4. Step 4: Simplify right side
    7,286.60x = 49,417,846.75
  5. Step 5: Solve for x
    x = 49,417,846.75/7,286.60
  6. Step 6: Final answer
    x = 6,782.02

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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.