Home / 8,152.14-11,249.66-4,615.28

Finding the Fourth Proportional to 8,152.14, 11,249.66 and 4,615.28

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Solution

The fourth proportional to 8,152.14, 11,249.66 and 4,615.28 is: 6,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.14 : 11,249.66 = 4,615.28 : x
  2. Step 2: Convert to fraction form
    8,152.14/11,249.66 = 4,615.28/x
  3. Step 3: Cross multiply
    8,152.14x = 11,249.66 × 4,615.28
  4. Step 4: Simplify right side
    8,152.14x = 51,920,330.80
  5. Step 5: Solve for x
    x = 51,920,330.80/8,152.14
  6. Step 6: Final answer
    x = 6,368.92

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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.