Home / 10,987.06-16,476.47-3,589.53

Finding the Fourth Proportional to 10,987.06, 16,476.47 and 3,589.53

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Solution

The fourth proportional to 10,987.06, 16,476.47 and 3,589.53 is: 5,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.06 : 16,476.47 = 3,589.53 : x
  2. Step 2: Convert to fraction form
    10,987.06/16,476.47 = 3,589.53/x
  3. Step 3: Cross multiply
    10,987.06x = 16,476.47 × 3,589.53
  4. Step 4: Simplify right side
    10,987.06x = 59,142,783.36
  5. Step 5: Solve for x
    x = 59,142,783.36/10,987.06
  6. Step 6: Final answer
    x = 5,382.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.