Home / 8,962.14-12,353.43-7,190.94

Finding the Fourth Proportional to 8,962.14, 12,353.43 and 7,190.94

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Solution

The fourth proportional to 8,962.14, 12,353.43 and 7,190.94 is: 9,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.14 : 12,353.43 = 7,190.94 : x
  2. Step 2: Convert to fraction form
    8,962.14/12,353.43 = 7,190.94/x
  3. Step 3: Cross multiply
    8,962.14x = 12,353.43 × 7,190.94
  4. Step 4: Simplify right side
    8,962.14x = 88,832,773.92
  5. Step 5: Solve for x
    x = 88,832,773.92/8,962.14
  6. Step 6: Final answer
    x = 9,912.00

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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.