Home / 12,457.29-17,190.92-6,792.02

Finding the Fourth Proportional to 12,457.29, 17,190.92 and 6,792.02

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Solution

The fourth proportional to 12,457.29, 17,190.92 and 6,792.02 is: 9,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.29 : 17,190.92 = 6,792.02 : x
  2. Step 2: Convert to fraction form
    12,457.29/17,190.92 = 6,792.02/x
  3. Step 3: Cross multiply
    12,457.29x = 17,190.92 × 6,792.02
  4. Step 4: Simplify right side
    12,457.29x = 116,761,072.46
  5. Step 5: Solve for x
    x = 116,761,072.46/12,457.29
  6. Step 6: Final answer
    x = 9,372.91

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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.