Home / 11,627.28-17,442.54-4,230.36

Finding the Fourth Proportional to 11,627.28, 17,442.54 and 4,230.36

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Solution

The fourth proportional to 11,627.28, 17,442.54 and 4,230.36 is: 6,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.28 : 17,442.54 = 4,230.36 : x
  2. Step 2: Convert to fraction form
    11,627.28/17,442.54 = 4,230.36/x
  3. Step 3: Cross multiply
    11,627.28x = 17,442.54 × 4,230.36
  4. Step 4: Simplify right side
    11,627.28x = 73,788,223.51
  5. Step 5: Solve for x
    x = 73,788,223.51/11,627.28
  6. Step 6: Final answer
    x = 6,346.13

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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.