Home / 11,622.30-16,038.72-6,317.14

Finding the Fourth Proportional to 11,622.30, 16,038.72 and 6,317.14

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Solution

The fourth proportional to 11,622.30, 16,038.72 and 6,317.14 is: 8,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.30 : 16,038.72 = 6,317.14 : x
  2. Step 2: Convert to fraction form
    11,622.30/16,038.72 = 6,317.14/x
  3. Step 3: Cross multiply
    11,622.30x = 16,038.72 × 6,317.14
  4. Step 4: Simplify right side
    11,622.30x = 101,318,839.66
  5. Step 5: Solve for x
    x = 101,318,839.66/11,622.30
  6. Step 6: Final answer
    x = 8,717.62

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1.5x scale

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.