Home / 12,440.09-17,166.93-6,774.68

Finding the Fourth Proportional to 12,440.09, 17,166.93 and 6,774.68

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Solution

The fourth proportional to 12,440.09, 17,166.93 and 6,774.68 is: 9,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.09 : 17,166.93 = 6,774.68 : x
  2. Step 2: Convert to fraction form
    12,440.09/17,166.93 = 6,774.68/x
  3. Step 3: Cross multiply
    12,440.09x = 17,166.93 × 6,774.68
  4. Step 4: Simplify right side
    12,440.09x = 116,300,457.33
  5. Step 5: Solve for x
    x = 116,300,457.33/12,440.09
  6. Step 6: Final answer
    x = 9,348.84

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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.