Home / 11,091.76-15,303.66-6,613.48

Finding the Fourth Proportional to 11,091.76, 15,303.66 and 6,613.48

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Solution

The fourth proportional to 11,091.76, 15,303.66 and 6,613.48 is: 9,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.76 : 15,303.66 = 6,613.48 : x
  2. Step 2: Convert to fraction form
    11,091.76/15,303.66 = 6,613.48/x
  3. Step 3: Cross multiply
    11,091.76x = 15,303.66 × 6,613.48
  4. Step 4: Simplify right side
    11,091.76x = 101,210,449.34
  5. Step 5: Solve for x
    x = 101,210,449.34/11,091.76
  6. Step 6: Final answer
    x = 9,124.83

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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.