Home / 10,367.79-15,549.39-2,972.22

Finding the Fourth Proportional to 10,367.79, 15,549.39 and 2,972.22

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Solution

The fourth proportional to 10,367.79, 15,549.39 and 2,972.22 is: 4,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.79 : 15,549.39 = 2,972.22 : x
  2. Step 2: Convert to fraction form
    10,367.79/15,549.39 = 2,972.22/x
  3. Step 3: Cross multiply
    10,367.79x = 15,549.39 × 2,972.22
  4. Step 4: Simplify right side
    10,367.79x = 46,216,207.95
  5. Step 5: Solve for x
    x = 46,216,207.95/10,367.79
  6. Step 6: Final answer
    x = 4,457.67

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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.