Home / 8,549.28-12,835.85-4,392.81

Finding the Fourth Proportional to 8,549.28, 12,835.85 and 4,392.81

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Solution

The fourth proportional to 8,549.28, 12,835.85 and 4,392.81 is: 6,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.28 : 12,835.85 = 4,392.81 : x
  2. Step 2: Convert to fraction form
    8,549.28/12,835.85 = 4,392.81/x
  3. Step 3: Cross multiply
    8,549.28x = 12,835.85 × 4,392.81
  4. Step 4: Simplify right side
    8,549.28x = 56,385,428.27
  5. Step 5: Solve for x
    x = 56,385,428.27/8,549.28
  6. Step 6: Final answer
    x = 6,595.34

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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.