Home / 9,117.27-13,675.41-2,543.31

Finding the Fourth Proportional to 9,117.27, 13,675.41 and 2,543.31

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Solution

The fourth proportional to 9,117.27, 13,675.41 and 2,543.31 is: 3,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.27 : 13,675.41 = 2,543.31 : x
  2. Step 2: Convert to fraction form
    9,117.27/13,675.41 = 2,543.31/x
  3. Step 3: Cross multiply
    9,117.27x = 13,675.41 × 2,543.31
  4. Step 4: Simplify right side
    9,117.27x = 34,780,807.01
  5. Step 5: Solve for x
    x = 34,780,807.01/9,117.27
  6. Step 6: Final answer
    x = 3,814.83

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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.