Home / 10,709.22-16,065.63-3,688.95

Finding the Fourth Proportional to 10,709.22, 16,065.63 and 3,688.95

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Solution

The fourth proportional to 10,709.22, 16,065.63 and 3,688.95 is: 5,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.22 : 16,065.63 = 3,688.95 : x
  2. Step 2: Convert to fraction form
    10,709.22/16,065.63 = 3,688.95/x
  3. Step 3: Cross multiply
    10,709.22x = 16,065.63 × 3,688.95
  4. Step 4: Simplify right side
    10,709.22x = 59,265,305.79
  5. Step 5: Solve for x
    x = 59,265,305.79/10,709.22
  6. Step 6: Final answer
    x = 5,534.05

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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.