Home / 11,477.12-17,213.44-5,235.40

Finding the Fourth Proportional to 11,477.12, 17,213.44 and 5,235.40

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Solution

The fourth proportional to 11,477.12, 17,213.44 and 5,235.40 is: 7,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.12 : 17,213.44 = 5,235.40 : x
  2. Step 2: Convert to fraction form
    11,477.12/17,213.44 = 5,235.40/x
  3. Step 3: Cross multiply
    11,477.12x = 17,213.44 × 5,235.40
  4. Step 4: Simplify right side
    11,477.12x = 90,119,243.78
  5. Step 5: Solve for x
    x = 90,119,243.78/11,477.12
  6. Step 6: Final answer
    x = 7,852.08

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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.