Home / 11,975.10-16,527.24-8,628.99

Finding the Fourth Proportional to 11,975.10, 16,527.24 and 8,628.99

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Solution

The fourth proportional to 11,975.10, 16,527.24 and 8,628.99 is: 11,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.10 : 16,527.24 = 8,628.99 : x
  2. Step 2: Convert to fraction form
    11,975.10/16,527.24 = 8,628.99/x
  3. Step 3: Cross multiply
    11,975.10x = 16,527.24 × 8,628.99
  4. Step 4: Simplify right side
    11,975.10x = 142,613,388.69
  5. Step 5: Solve for x
    x = 142,613,388.69/11,975.10
  6. Step 6: Final answer
    x = 11,909.16

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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.