Home / 9,125.40-13,656.90-5,791.98

Finding the Fourth Proportional to 9,125.40, 13,656.90 and 5,791.98

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Solution

The fourth proportional to 9,125.40, 13,656.90 and 5,791.98 is: 8,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.40 : 13,656.90 = 5,791.98 : x
  2. Step 2: Convert to fraction form
    9,125.40/13,656.90 = 5,791.98/x
  3. Step 3: Cross multiply
    9,125.40x = 13,656.90 × 5,791.98
  4. Step 4: Simplify right side
    9,125.40x = 79,100,491.66
  5. Step 5: Solve for x
    x = 79,100,491.66/9,125.40
  6. Step 6: Final answer
    x = 8,668.17

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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.