Home / 11,247.04-16,880.80-5,986.47

Finding the Fourth Proportional to 11,247.04, 16,880.80 and 5,986.47

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Solution

The fourth proportional to 11,247.04, 16,880.80 and 5,986.47 is: 8,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.04 : 16,880.80 = 5,986.47 : x
  2. Step 2: Convert to fraction form
    11,247.04/16,880.80 = 5,986.47/x
  3. Step 3: Cross multiply
    11,247.04x = 16,880.80 × 5,986.47
  4. Step 4: Simplify right side
    11,247.04x = 101,056,387.81
  5. Step 5: Solve for x
    x = 101,056,387.81/11,247.04
  6. Step 6: Final answer
    x = 8,985.16

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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.