Home / 8,442.99-11,650.32-4,665.93

Finding the Fourth Proportional to 8,442.99, 11,650.32 and 4,665.93

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Solution

The fourth proportional to 8,442.99, 11,650.32 and 4,665.93 is: 6,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.99 : 11,650.32 = 4,665.93 : x
  2. Step 2: Convert to fraction form
    8,442.99/11,650.32 = 4,665.93/x
  3. Step 3: Cross multiply
    8,442.99x = 11,650.32 × 4,665.93
  4. Step 4: Simplify right side
    8,442.99x = 54,359,577.60
  5. Step 5: Solve for x
    x = 54,359,577.60/8,442.99
  6. Step 6: Final answer
    x = 6,438.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.