Home / 8,795.68-13,179.12-5,322.40

Finding the Fourth Proportional to 8,795.68, 13,179.12 and 5,322.40

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Solution

The fourth proportional to 8,795.68, 13,179.12 and 5,322.40 is: 7,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.68 : 13,179.12 = 5,322.40 : x
  2. Step 2: Convert to fraction form
    8,795.68/13,179.12 = 5,322.40/x
  3. Step 3: Cross multiply
    8,795.68x = 13,179.12 × 5,322.40
  4. Step 4: Simplify right side
    8,795.68x = 70,144,548.29
  5. Step 5: Solve for x
    x = 70,144,548.29/8,795.68
  6. Step 6: Final answer
    x = 7,974.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.