Home / 11,407.93-15,742.61-6,372.00

Finding the Fourth Proportional to 11,407.93, 15,742.61 and 6,372.00

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Solution

The fourth proportional to 11,407.93, 15,742.61 and 6,372.00 is: 8,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.93 : 15,742.61 = 6,372.00 : x
  2. Step 2: Convert to fraction form
    11,407.93/15,742.61 = 6,372.00/x
  3. Step 3: Cross multiply
    11,407.93x = 15,742.61 × 6,372.00
  4. Step 4: Simplify right side
    11,407.93x = 100,311,800.35
  5. Step 5: Solve for x
    x = 100,311,800.35/11,407.93
  6. Step 6: Final answer
    x = 8,793.17

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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.