Home / 11,365.74-15,684.39-6,329.96

Finding the Fourth Proportional to 11,365.74, 15,684.39 and 6,329.96

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Solution

The fourth proportional to 11,365.74, 15,684.39 and 6,329.96 is: 8,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.74 : 15,684.39 = 6,329.96 : x
  2. Step 2: Convert to fraction form
    11,365.74/15,684.39 = 6,329.96/x
  3. Step 3: Cross multiply
    11,365.74x = 15,684.39 × 6,329.96
  4. Step 4: Simplify right side
    11,365.74x = 99,281,541.72
  5. Step 5: Solve for x
    x = 99,281,541.72/11,365.74
  6. Step 6: Final answer
    x = 8,735.16

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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.