Home / 9,461.28-14,188.16-3,220.02

Finding the Fourth Proportional to 9,461.28, 14,188.16 and 3,220.02

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Solution

The fourth proportional to 9,461.28, 14,188.16 and 3,220.02 is: 4,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,461.28 : 14,188.16 = 3,220.02 : x
  2. Step 2: Convert to fraction form
    9,461.28/14,188.16 = 3,220.02/x
  3. Step 3: Cross multiply
    9,461.28x = 14,188.16 × 3,220.02
  4. Step 4: Simplify right side
    9,461.28x = 45,686,142.86
  5. Step 5: Solve for x
    x = 45,686,142.86/9,461.28
  6. Step 6: Final answer
    x = 4,828.75

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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.