Home / 10,109.52-15,164.28-3,089.52

Finding the Fourth Proportional to 10,109.52, 15,164.28 and 3,089.52

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Solution

The fourth proportional to 10,109.52, 15,164.28 and 3,089.52 is: 4,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.52 : 15,164.28 = 3,089.52 : x
  2. Step 2: Convert to fraction form
    10,109.52/15,164.28 = 3,089.52/x
  3. Step 3: Cross multiply
    10,109.52x = 15,164.28 × 3,089.52
  4. Step 4: Simplify right side
    10,109.52x = 46,850,346.35
  5. Step 5: Solve for x
    x = 46,850,346.35/10,109.52
  6. Step 6: Final answer
    x = 4,634.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.