Home / 9,900.20-13,665.84-6,754.16

Finding the Fourth Proportional to 9,900.20, 13,665.84 and 6,754.16

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Solution

The fourth proportional to 9,900.20, 13,665.84 and 6,754.16 is: 9,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.20 : 13,665.84 = 6,754.16 : x
  2. Step 2: Convert to fraction form
    9,900.20/13,665.84 = 6,754.16/x
  3. Step 3: Cross multiply
    9,900.20x = 13,665.84 × 6,754.16
  4. Step 4: Simplify right side
    9,900.20x = 92,301,269.89
  5. Step 5: Solve for x
    x = 92,301,269.89/9,900.20
  6. Step 6: Final answer
    x = 9,323.17

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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.