Home / 11,362.40-17,003.04-7,853.12

Finding the Fourth Proportional to 11,362.40, 17,003.04 and 7,853.12

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Solution

The fourth proportional to 11,362.40, 17,003.04 and 7,853.12 is: 11,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.40 : 17,003.04 = 7,853.12 : x
  2. Step 2: Convert to fraction form
    11,362.40/17,003.04 = 7,853.12/x
  3. Step 3: Cross multiply
    11,362.40x = 17,003.04 × 7,853.12
  4. Step 4: Simplify right side
    11,362.40x = 133,526,913.48
  5. Step 5: Solve for x
    x = 133,526,913.48/11,362.40
  6. Step 6: Final answer
    x = 11,751.65

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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.