Home / 11,349.42-15,659.88-6,632.79

Finding the Fourth Proportional to 11,349.42, 15,659.88 and 6,632.79

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Solution

The fourth proportional to 11,349.42, 15,659.88 and 6,632.79 is: 9,151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.42 : 15,659.88 = 6,632.79 : x
  2. Step 2: Convert to fraction form
    11,349.42/15,659.88 = 6,632.79/x
  3. Step 3: Cross multiply
    11,349.42x = 15,659.88 × 6,632.79
  4. Step 4: Simplify right side
    11,349.42x = 103,868,695.47
  5. Step 5: Solve for x
    x = 103,868,695.47/11,349.42
  6. Step 6: Final answer
    x = 9,151.89

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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.