Home / 10,638.86-14,682.21-5,923.04

Finding the Fourth Proportional to 10,638.86, 14,682.21 and 5,923.04

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Solution

The fourth proportional to 10,638.86, 14,682.21 and 5,923.04 is: 8,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.86 : 14,682.21 = 5,923.04 : x
  2. Step 2: Convert to fraction form
    10,638.86/14,682.21 = 5,923.04/x
  3. Step 3: Cross multiply
    10,638.86x = 14,682.21 × 5,923.04
  4. Step 4: Simplify right side
    10,638.86x = 86,963,317.12
  5. Step 5: Solve for x
    x = 86,963,317.12/10,638.86
  6. Step 6: Final answer
    x = 8,174.12

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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.