Home / 10,406.12-14,360.40-5,929.88

Finding the Fourth Proportional to 10,406.12, 14,360.40 and 5,929.88

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Solution

The fourth proportional to 10,406.12, 14,360.40 and 5,929.88 is: 8,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.12 : 14,360.40 = 5,929.88 : x
  2. Step 2: Convert to fraction form
    10,406.12/14,360.40 = 5,929.88/x
  3. Step 3: Cross multiply
    10,406.12x = 14,360.40 × 5,929.88
  4. Step 4: Simplify right side
    10,406.12x = 85,155,376.95
  5. Step 5: Solve for x
    x = 85,155,376.95/10,406.12
  6. Step 6: Final answer
    x = 8,183.21

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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.