Home / 9,749.84-13,451.28-5,555.68

Finding the Fourth Proportional to 9,749.84, 13,451.28 and 5,555.68

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Solution

The fourth proportional to 9,749.84, 13,451.28 and 5,555.68 is: 7,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.84 : 13,451.28 = 5,555.68 : x
  2. Step 2: Convert to fraction form
    9,749.84/13,451.28 = 5,555.68/x
  3. Step 3: Cross multiply
    9,749.84x = 13,451.28 × 5,555.68
  4. Step 4: Simplify right side
    9,749.84x = 74,731,007.27
  5. Step 5: Solve for x
    x = 74,731,007.27/9,749.84
  6. Step 6: Final answer
    x = 7,664.84

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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.