Home / 9,723.70-13,411.58-6,361.12

Finding the Fourth Proportional to 9,723.70, 13,411.58 and 6,361.12

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Solution

The fourth proportional to 9,723.70, 13,411.58 and 6,361.12 is: 8,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.70 : 13,411.58 = 6,361.12 : x
  2. Step 2: Convert to fraction form
    9,723.70/13,411.58 = 6,361.12/x
  3. Step 3: Cross multiply
    9,723.70x = 13,411.58 × 6,361.12
  4. Step 4: Simplify right side
    9,723.70x = 85,312,669.77
  5. Step 5: Solve for x
    x = 85,312,669.77/9,723.70
  6. Step 6: Final answer
    x = 8,773.68

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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.