Home / 12,016.08-16,581.48-6,711.24

Finding the Fourth Proportional to 12,016.08, 16,581.48 and 6,711.24

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Solution

The fourth proportional to 12,016.08, 16,581.48 and 6,711.24 is: 9,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.08 : 16,581.48 = 6,711.24 : x
  2. Step 2: Convert to fraction form
    12,016.08/16,581.48 = 6,711.24/x
  3. Step 3: Cross multiply
    12,016.08x = 16,581.48 × 6,711.24
  4. Step 4: Simplify right side
    12,016.08x = 111,282,291.84
  5. Step 5: Solve for x
    x = 111,282,291.84/12,016.08
  6. Step 6: Final answer
    x = 9,261.11

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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.