Home / 12,372.80-17,074.48-6,707.58

Finding the Fourth Proportional to 12,372.80, 17,074.48 and 6,707.58

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Solution

The fourth proportional to 12,372.80, 17,074.48 and 6,707.58 is: 9,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.80 : 17,074.48 = 6,707.58 : x
  2. Step 2: Convert to fraction form
    12,372.80/17,074.48 = 6,707.58/x
  3. Step 3: Cross multiply
    12,372.80x = 17,074.48 × 6,707.58
  4. Step 4: Simplify right side
    12,372.80x = 114,528,440.56
  5. Step 5: Solve for x
    x = 114,528,440.56/12,372.80
  6. Step 6: Final answer
    x = 9,256.47

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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.