Home / 10,400.85-14,354.10-5,923.62

Finding the Fourth Proportional to 10,400.85, 14,354.10 and 5,923.62

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Solution

The fourth proportional to 10,400.85, 14,354.10 and 5,923.62 is: 8,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.85 : 14,354.10 = 5,923.62 : x
  2. Step 2: Convert to fraction form
    10,400.85/14,354.10 = 5,923.62/x
  3. Step 3: Cross multiply
    10,400.85x = 14,354.10 × 5,923.62
  4. Step 4: Simplify right side
    10,400.85x = 85,028,233.84
  5. Step 5: Solve for x
    x = 85,028,233.84/10,400.85
  6. Step 6: Final answer
    x = 8,175.12

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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.