Home / 11,528.44-15,904.55-8,510.78

Finding the Fourth Proportional to 11,528.44, 15,904.55 and 8,510.78

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Solution

The fourth proportional to 11,528.44, 15,904.55 and 8,510.78 is: 11,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.44 : 15,904.55 = 8,510.78 : x
  2. Step 2: Convert to fraction form
    11,528.44/15,904.55 = 8,510.78/x
  3. Step 3: Cross multiply
    11,528.44x = 15,904.55 × 8,510.78
  4. Step 4: Simplify right side
    11,528.44x = 135,360,187.09
  5. Step 5: Solve for x
    x = 135,360,187.09/11,528.44
  6. Step 6: Final answer
    x = 11,741.42

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Double scale
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Similar ratio
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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.