Home / 8,877.11-13,317.71-2,636.98

Finding the Fourth Proportional to 8,877.11, 13,317.71 and 2,636.98

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Solution

The fourth proportional to 8,877.11, 13,317.71 and 2,636.98 is: 3,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.11 : 13,317.71 = 2,636.98 : x
  2. Step 2: Convert to fraction form
    8,877.11/13,317.71 = 2,636.98/x
  3. Step 3: Cross multiply
    8,877.11x = 13,317.71 × 2,636.98
  4. Step 4: Simplify right side
    8,877.11x = 35,118,534.92
  5. Step 5: Solve for x
    x = 35,118,534.92/8,877.11
  6. Step 6: Final answer
    x = 3,956.08

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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.