Home / 11,200.15-15,449.77-7,001.11

Finding the Fourth Proportional to 11,200.15, 15,449.77 and 7,001.11

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Solution

The fourth proportional to 11,200.15, 15,449.77 and 7,001.11 is: 9,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.15 : 15,449.77 = 7,001.11 : x
  2. Step 2: Convert to fraction form
    11,200.15/15,449.77 = 7,001.11/x
  3. Step 3: Cross multiply
    11,200.15x = 15,449.77 × 7,001.11
  4. Step 4: Simplify right side
    11,200.15x = 108,165,462.00
  5. Step 5: Solve for x
    x = 108,165,462.00/11,200.15
  6. Step 6: Final answer
    x = 9,657.51

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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.