Home / 11,622.72-17,432.28-3,303.12

Finding the Fourth Proportional to 11,622.72, 17,432.28 and 3,303.12

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Solution

The fourth proportional to 11,622.72, 17,432.28 and 3,303.12 is: 4,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.72 : 17,432.28 = 3,303.12 : x
  2. Step 2: Convert to fraction form
    11,622.72/17,432.28 = 3,303.12/x
  3. Step 3: Cross multiply
    11,622.72x = 17,432.28 × 3,303.12
  4. Step 4: Simplify right side
    11,622.72x = 57,580,912.71
  5. Step 5: Solve for x
    x = 57,580,912.71/11,622.72
  6. Step 6: Final answer
    x = 4,954.17

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1.5x scale

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.