Home / 8,320.08-12,483.32-3,703.12

Finding the Fourth Proportional to 8,320.08, 12,483.32 and 3,703.12

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Solution

The fourth proportional to 8,320.08, 12,483.32 and 3,703.12 is: 5,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.08 : 12,483.32 = 3,703.12 : x
  2. Step 2: Convert to fraction form
    8,320.08/12,483.32 = 3,703.12/x
  3. Step 3: Cross multiply
    8,320.08x = 12,483.32 × 3,703.12
  4. Step 4: Simplify right side
    8,320.08x = 46,227,231.96
  5. Step 5: Solve for x
    x = 46,227,231.96/8,320.08
  6. Step 6: Final answer
    x = 5,556.10

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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.