Home / 12,457.93-17,191.61-6,792.79

Finding the Fourth Proportional to 12,457.93, 17,191.61 and 6,792.79

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Solution

The fourth proportional to 12,457.93, 17,191.61 and 6,792.79 is: 9,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.93 : 17,191.61 = 6,792.79 : x
  2. Step 2: Convert to fraction form
    12,457.93/17,191.61 = 6,792.79/x
  3. Step 3: Cross multiply
    12,457.93x = 17,191.61 × 6,792.79
  4. Step 4: Simplify right side
    12,457.93x = 116,778,996.49
  5. Step 5: Solve for x
    x = 116,778,996.49/12,457.93
  6. Step 6: Final answer
    x = 9,373.87

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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.