Home / 11,102.08-15,320.42-6,322.67

Finding the Fourth Proportional to 11,102.08, 15,320.42 and 6,322.67

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Solution

The fourth proportional to 11,102.08, 15,320.42 and 6,322.67 is: 8,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.08 : 15,320.42 = 6,322.67 : x
  2. Step 2: Convert to fraction form
    11,102.08/15,320.42 = 6,322.67/x
  3. Step 3: Cross multiply
    11,102.08x = 15,320.42 × 6,322.67
  4. Step 4: Simplify right side
    11,102.08x = 96,865,959.92
  5. Step 5: Solve for x
    x = 96,865,959.92/11,102.08
  6. Step 6: Final answer
    x = 8,725.03

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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.