Home / 8,324.47-12,487.56-2,776.32

Finding the Fourth Proportional to 8,324.47, 12,487.56 and 2,776.32

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Solution

The fourth proportional to 8,324.47, 12,487.56 and 2,776.32 is: 4,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.47 : 12,487.56 = 2,776.32 : x
  2. Step 2: Convert to fraction form
    8,324.47/12,487.56 = 2,776.32/x
  3. Step 3: Cross multiply
    8,324.47x = 12,487.56 × 2,776.32
  4. Step 4: Simplify right side
    8,324.47x = 34,669,452.17
  5. Step 5: Solve for x
    x = 34,669,452.17/8,324.47
  6. Step 6: Final answer
    x = 4,164.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.