Home / 8,582.64-12,895.56-5,463.96

Finding the Fourth Proportional to 8,582.64, 12,895.56 and 5,463.96

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Solution

The fourth proportional to 8,582.64, 12,895.56 and 5,463.96 is: 8,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.64 : 12,895.56 = 5,463.96 : x
  2. Step 2: Convert to fraction form
    8,582.64/12,895.56 = 5,463.96/x
  3. Step 3: Cross multiply
    8,582.64x = 12,895.56 × 5,463.96
  4. Step 4: Simplify right side
    8,582.64x = 70,460,824.02
  5. Step 5: Solve for x
    x = 70,460,824.02/8,582.64
  6. Step 6: Final answer
    x = 8,209.69

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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.