Home / 11,176.83-15,424.45-6,397.52

Finding the Fourth Proportional to 11,176.83, 15,424.45 and 6,397.52

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Solution

The fourth proportional to 11,176.83, 15,424.45 and 6,397.52 is: 8,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.83 : 15,424.45 = 6,397.52 : x
  2. Step 2: Convert to fraction form
    11,176.83/15,424.45 = 6,397.52/x
  3. Step 3: Cross multiply
    11,176.83x = 15,424.45 × 6,397.52
  4. Step 4: Simplify right side
    11,176.83x = 98,678,249.93
  5. Step 5: Solve for x
    x = 98,678,249.93/11,176.83
  6. Step 6: Final answer
    x = 8,828.82

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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.