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Finding the Fourth Proportional to 10,098.81, 13,937.01 and 6,739.49

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Solution

The fourth proportional to 10,098.81, 13,937.01 and 6,739.49 is: 9,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.81 : 13,937.01 = 6,739.49 : x
  2. Step 2: Convert to fraction form
    10,098.81/13,937.01 = 6,739.49/x
  3. Step 3: Cross multiply
    10,098.81x = 13,937.01 × 6,739.49
  4. Step 4: Simplify right side
    10,098.81x = 93,928,269.84
  5. Step 5: Solve for x
    x = 93,928,269.84/10,098.81
  6. Step 6: Final answer
    x = 9,300.92

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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.