Home / 9,561.84-13,195.68-5,370

Finding the Fourth Proportional to 9,561.84, 13,195.68 and 5,370

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Solution

The fourth proportional to 9,561.84, 13,195.68 and 5,370 is: 7,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.84 : 13,195.68 = 5,370 : x
  2. Step 2: Convert to fraction form
    9,561.84/13,195.68 = 5,370/x
  3. Step 3: Cross multiply
    9,561.84x = 13,195.68 × 5,370
  4. Step 4: Simplify right side
    9,561.84x = 70,860,801.60
  5. Step 5: Solve for x
    x = 70,860,801.60/9,561.84
  6. Step 6: Final answer
    x = 7,410.79

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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.