Home / 9,739.84-13,441.68-5,548.36

Finding the Fourth Proportional to 9,739.84, 13,441.68 and 5,548.36

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Solution

The fourth proportional to 9,739.84, 13,441.68 and 5,548.36 is: 7,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.84 : 13,441.68 = 5,548.36 : x
  2. Step 2: Convert to fraction form
    9,739.84/13,441.68 = 5,548.36/x
  3. Step 3: Cross multiply
    9,739.84x = 13,441.68 × 5,548.36
  4. Step 4: Simplify right side
    9,739.84x = 74,579,279.64
  5. Step 5: Solve for x
    x = 74,579,279.64/9,739.84
  6. Step 6: Final answer
    x = 7,657.14

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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.