Home / 9,402.16-12,972.36-6,262.96

Finding the Fourth Proportional to 9,402.16, 12,972.36 and 6,262.96

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Solution

The fourth proportional to 9,402.16, 12,972.36 and 6,262.96 is: 8,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.16 : 12,972.36 = 6,262.96 : x
  2. Step 2: Convert to fraction form
    9,402.16/12,972.36 = 6,262.96/x
  3. Step 3: Cross multiply
    9,402.16x = 12,972.36 × 6,262.96
  4. Step 4: Simplify right side
    9,402.16x = 81,245,371.79
  5. Step 5: Solve for x
    x = 81,245,371.79/9,402.16
  6. Step 6: Final answer
    x = 8,641.14

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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.