Home / 12,963.02-17,888.96-7,589.15

Finding the Fourth Proportional to 12,963.02, 17,888.96 and 7,589.15

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Solution

The fourth proportional to 12,963.02, 17,888.96 and 7,589.15 is: 10,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.02 : 17,888.96 = 7,589.15 : x
  2. Step 2: Convert to fraction form
    12,963.02/17,888.96 = 7,589.15/x
  3. Step 3: Cross multiply
    12,963.02x = 17,888.96 × 7,589.15
  4. Step 4: Simplify right side
    12,963.02x = 135,761,873.39
  5. Step 5: Solve for x
    x = 135,761,873.39/12,963.02
  6. Step 6: Final answer
    x = 10,473.02

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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.