Home / 8,346.12-11,512.98-7,500.48

Finding the Fourth Proportional to 8,346.12, 11,512.98 and 7,500.48

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Solution

The fourth proportional to 8,346.12, 11,512.98 and 7,500.48 is: 10,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.12 : 11,512.98 = 7,500.48 : x
  2. Step 2: Convert to fraction form
    8,346.12/11,512.98 = 7,500.48/x
  3. Step 3: Cross multiply
    8,346.12x = 11,512.98 × 7,500.48
  4. Step 4: Simplify right side
    8,346.12x = 86,352,876.23
  5. Step 5: Solve for x
    x = 86,352,876.23/8,346.12
  6. Step 6: Final answer
    x = 10,346.47

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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.