Home / 11,988.15-16,543.74-6,683.31

Finding the Fourth Proportional to 11,988.15, 16,543.74 and 6,683.31

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Solution

The fourth proportional to 11,988.15, 16,543.74 and 6,683.31 is: 9,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.15 : 16,543.74 = 6,683.31 : x
  2. Step 2: Convert to fraction form
    11,988.15/16,543.74 = 6,683.31/x
  3. Step 3: Cross multiply
    11,988.15x = 16,543.74 × 6,683.31
  4. Step 4: Simplify right side
    11,988.15x = 110,566,942.98
  5. Step 5: Solve for x
    x = 110,566,942.98/11,988.15
  6. Step 6: Final answer
    x = 9,223.02

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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.