Home / 11,352.29-15,661.10-6,634.49

Finding the Fourth Proportional to 11,352.29, 15,661.10 and 6,634.49

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Solution

The fourth proportional to 11,352.29, 15,661.10 and 6,634.49 is: 9,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.29 : 15,661.10 = 6,634.49 : x
  2. Step 2: Convert to fraction form
    11,352.29/15,661.10 = 6,634.49/x
  3. Step 3: Cross multiply
    11,352.29x = 15,661.10 × 6,634.49
  4. Step 4: Simplify right side
    11,352.29x = 103,903,349.62
  5. Step 5: Solve for x
    x = 103,903,349.62/11,352.29
  6. Step 6: Final answer
    x = 9,152.64

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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.