Home / 9,125.36-12,592.13-5,542.28

Finding the Fourth Proportional to 9,125.36, 12,592.13 and 5,542.28

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Solution

The fourth proportional to 9,125.36, 12,592.13 and 5,542.28 is: 7,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.36 : 12,592.13 = 5,542.28 : x
  2. Step 2: Convert to fraction form
    9,125.36/12,592.13 = 5,542.28/x
  3. Step 3: Cross multiply
    9,125.36x = 12,592.13 × 5,542.28
  4. Step 4: Simplify right side
    9,125.36x = 69,789,114.03
  5. Step 5: Solve for x
    x = 69,789,114.03/9,125.36
  6. Step 6: Final answer
    x = 7,647.82

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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.