Home / 7,140.24-9,846.30-5,504.09

Finding the Fourth Proportional to 7,140.24, 9,846.30 and 5,504.09

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Solution

The fourth proportional to 7,140.24, 9,846.30 and 5,504.09 is: 7,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.24 : 9,846.30 = 5,504.09 : x
  2. Step 2: Convert to fraction form
    7,140.24/9,846.30 = 5,504.09/x
  3. Step 3: Cross multiply
    7,140.24x = 9,846.30 × 5,504.09
  4. Step 4: Simplify right side
    7,140.24x = 54,194,872.14
  5. Step 5: Solve for x
    x = 54,194,872.14/7,140.24
  6. Step 6: Final answer
    x = 7,590.06

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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.