Home / 7,412.37-11,108.99-5,548.89

Finding the Fourth Proportional to 7,412.37, 11,108.99 and 5,548.89

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Solution

The fourth proportional to 7,412.37, 11,108.99 and 5,548.89 is: 8,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.37 : 11,108.99 = 5,548.89 : x
  2. Step 2: Convert to fraction form
    7,412.37/11,108.99 = 5,548.89/x
  3. Step 3: Cross multiply
    7,412.37x = 11,108.99 × 5,548.89
  4. Step 4: Simplify right side
    7,412.37x = 61,642,563.52
  5. Step 5: Solve for x
    x = 61,642,563.52/7,412.37
  6. Step 6: Final answer
    x = 8,316.17

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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.