Home / 10,402.11-15,621.96-9,567.67

Finding the Fourth Proportional to 10,402.11, 15,621.96 and 9,567.67

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Solution

The fourth proportional to 10,402.11, 15,621.96 and 9,567.67 is: 14,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.11 : 15,621.96 = 9,567.67 : x
  2. Step 2: Convert to fraction form
    10,402.11/15,621.96 = 9,567.67/x
  3. Step 3: Cross multiply
    10,402.11x = 15,621.96 × 9,567.67
  4. Step 4: Simplify right side
    10,402.11x = 149,465,730.33
  5. Step 5: Solve for x
    x = 149,465,730.33/10,402.11
  6. Step 6: Final answer
    x = 14,368.79

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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.