Home / 8,742.15-13,113.63-2,503.08

Finding the Fourth Proportional to 8,742.15, 13,113.63 and 2,503.08

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Solution

The fourth proportional to 8,742.15, 13,113.63 and 2,503.08 is: 3,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.15 : 13,113.63 = 2,503.08 : x
  2. Step 2: Convert to fraction form
    8,742.15/13,113.63 = 2,503.08/x
  3. Step 3: Cross multiply
    8,742.15x = 13,113.63 × 2,503.08
  4. Step 4: Simplify right side
    8,742.15x = 32,824,464.98
  5. Step 5: Solve for x
    x = 32,824,464.98/8,742.15
  6. Step 6: Final answer
    x = 3,754.74

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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.