Home / 8,322.08-11,492.56-5,179.68

Finding the Fourth Proportional to 8,322.08, 11,492.56 and 5,179.68

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Solution

The fourth proportional to 8,322.08, 11,492.56 and 5,179.68 is: 7,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.08 : 11,492.56 = 5,179.68 : x
  2. Step 2: Convert to fraction form
    8,322.08/11,492.56 = 5,179.68/x
  3. Step 3: Cross multiply
    8,322.08x = 11,492.56 × 5,179.68
  4. Step 4: Simplify right side
    8,322.08x = 59,527,783.18
  5. Step 5: Solve for x
    x = 59,527,783.18/8,322.08
  6. Step 6: Final answer
    x = 7,152.99

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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.