Home / 12,599.66-17,387-6,933.88

Finding the Fourth Proportional to 12,599.66, 17,387 and 6,933.88

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Solution

The fourth proportional to 12,599.66, 17,387 and 6,933.88 is: 9,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.66 : 17,387 = 6,933.88 : x
  2. Step 2: Convert to fraction form
    12,599.66/17,387 = 6,933.88/x
  3. Step 3: Cross multiply
    12,599.66x = 17,387 × 6,933.88
  4. Step 4: Simplify right side
    12,599.66x = 120,559,371.56
  5. Step 5: Solve for x
    x = 120,559,371.56/12,599.66
  6. Step 6: Final answer
    x = 9,568.46

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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.