Home / 9,964.16-14,943.04-5,281.44

Finding the Fourth Proportional to 9,964.16, 14,943.04 and 5,281.44

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Solution

The fourth proportional to 9,964.16, 14,943.04 and 5,281.44 is: 7,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.16 : 14,943.04 = 5,281.44 : x
  2. Step 2: Convert to fraction form
    9,964.16/14,943.04 = 5,281.44/x
  3. Step 3: Cross multiply
    9,964.16x = 14,943.04 × 5,281.44
  4. Step 4: Simplify right side
    9,964.16x = 78,920,769.18
  5. Step 5: Solve for x
    x = 78,920,769.18/9,964.16
  6. Step 6: Final answer
    x = 7,920.46

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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.