Home / 10,110.40-13,951.89-5,634.64

Finding the Fourth Proportional to 10,110.40, 13,951.89 and 5,634.64

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Solution

The fourth proportional to 10,110.40, 13,951.89 and 5,634.64 is: 7,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.40 : 13,951.89 = 5,634.64 : x
  2. Step 2: Convert to fraction form
    10,110.40/13,951.89 = 5,634.64/x
  3. Step 3: Cross multiply
    10,110.40x = 13,951.89 × 5,634.64
  4. Step 4: Simplify right side
    10,110.40x = 78,613,877.47
  5. Step 5: Solve for x
    x = 78,613,877.47/10,110.40
  6. Step 6: Final answer
    x = 7,775.55

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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.