Home / 9,415.83-14,124.11-2,842.01

Finding the Fourth Proportional to 9,415.83, 14,124.11 and 2,842.01

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Solution

The fourth proportional to 9,415.83, 14,124.11 and 2,842.01 is: 4,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.83 : 14,124.11 = 2,842.01 : x
  2. Step 2: Convert to fraction form
    9,415.83/14,124.11 = 2,842.01/x
  3. Step 3: Cross multiply
    9,415.83x = 14,124.11 × 2,842.01
  4. Step 4: Simplify right side
    9,415.83x = 40,140,861.86
  5. Step 5: Solve for x
    x = 40,140,861.86/9,415.83
  6. Step 6: Final answer
    x = 4,263.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.