Home / 8,770.86-13,116.24-6,551.22

Finding the Fourth Proportional to 8,770.86, 13,116.24 and 6,551.22

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Solution

The fourth proportional to 8,770.86, 13,116.24 and 6,551.22 is: 9,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.86 : 13,116.24 = 6,551.22 : x
  2. Step 2: Convert to fraction form
    8,770.86/13,116.24 = 6,551.22/x
  3. Step 3: Cross multiply
    8,770.86x = 13,116.24 × 6,551.22
  4. Step 4: Simplify right side
    8,770.86x = 85,927,373.81
  5. Step 5: Solve for x
    x = 85,927,373.81/8,770.86
  6. Step 6: Final answer
    x = 9,796.92

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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.