Home / 8,528.64-12,773.76-6,341.12

Finding the Fourth Proportional to 8,528.64, 12,773.76 and 6,341.12

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Solution

The fourth proportional to 8,528.64, 12,773.76 and 6,341.12 is: 9,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.64 : 12,773.76 = 6,341.12 : x
  2. Step 2: Convert to fraction form
    8,528.64/12,773.76 = 6,341.12/x
  3. Step 3: Cross multiply
    8,528.64x = 12,773.76 × 6,341.12
  4. Step 4: Simplify right side
    8,528.64x = 80,999,945.01
  5. Step 5: Solve for x
    x = 80,999,945.01/8,528.64
  6. Step 6: Final answer
    x = 9,497.40

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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.