Home / 8,770.17-12,102.39-4,790.52

Finding the Fourth Proportional to 8,770.17, 12,102.39 and 4,790.52

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Solution

The fourth proportional to 8,770.17, 12,102.39 and 4,790.52 is: 6,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.17 : 12,102.39 = 4,790.52 : x
  2. Step 2: Convert to fraction form
    8,770.17/12,102.39 = 4,790.52/x
  3. Step 3: Cross multiply
    8,770.17x = 12,102.39 × 4,790.52
  4. Step 4: Simplify right side
    8,770.17x = 57,976,741.34
  5. Step 5: Solve for x
    x = 57,976,741.34/8,770.17
  6. Step 6: Final answer
    x = 6,610.67

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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.