Home / 11,176.08-15,424.86-6,396.22

Finding the Fourth Proportional to 11,176.08, 15,424.86 and 6,396.22

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Solution

The fourth proportional to 11,176.08, 15,424.86 and 6,396.22 is: 8,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.08 : 15,424.86 = 6,396.22 : x
  2. Step 2: Convert to fraction form
    11,176.08/15,424.86 = 6,396.22/x
  3. Step 3: Cross multiply
    11,176.08x = 15,424.86 × 6,396.22
  4. Step 4: Simplify right side
    11,176.08x = 98,660,798.03
  5. Step 5: Solve for x
    x = 98,660,798.03/11,176.08
  6. Step 6: Final answer
    x = 8,827.85

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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.