Home / 9,984.40-14,962.20-4,433.20

Finding the Fourth Proportional to 9,984.40, 14,962.20 and 4,433.20

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Solution

The fourth proportional to 9,984.40, 14,962.20 and 4,433.20 is: 6,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.40 : 14,962.20 = 4,433.20 : x
  2. Step 2: Convert to fraction form
    9,984.40/14,962.20 = 4,433.20/x
  3. Step 3: Cross multiply
    9,984.40x = 14,962.20 × 4,433.20
  4. Step 4: Simplify right side
    9,984.40x = 66,330,425.04
  5. Step 5: Solve for x
    x = 66,330,425.04/9,984.40
  6. Step 6: Final answer
    x = 6,643.41

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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.