Home / 9,435.63-13,021.17-5,243.88

Finding the Fourth Proportional to 9,435.63, 13,021.17 and 5,243.88

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Solution

The fourth proportional to 9,435.63, 13,021.17 and 5,243.88 is: 7,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.63 : 13,021.17 = 5,243.88 : x
  2. Step 2: Convert to fraction form
    9,435.63/13,021.17 = 5,243.88/x
  3. Step 3: Cross multiply
    9,435.63x = 13,021.17 × 5,243.88
  4. Step 4: Simplify right side
    9,435.63x = 68,281,387.83
  5. Step 5: Solve for x
    x = 68,281,387.83/9,435.63
  6. Step 6: Final answer
    x = 7,236.55

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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.