Home / 9,962.48-13,744.94-6,428.04

Finding the Fourth Proportional to 9,962.48, 13,744.94 and 6,428.04

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Solution

The fourth proportional to 9,962.48, 13,744.94 and 6,428.04 is: 8,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.48 : 13,744.94 = 6,428.04 : x
  2. Step 2: Convert to fraction form
    9,962.48/13,744.94 = 6,428.04/x
  3. Step 3: Cross multiply
    9,962.48x = 13,744.94 × 6,428.04
  4. Step 4: Simplify right side
    9,962.48x = 88,352,991.98
  5. Step 5: Solve for x
    x = 88,352,991.98/9,962.48
  6. Step 6: Final answer
    x = 8,868.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.