Home / 11,537.64-15,921.36-6,503.04

Finding the Fourth Proportional to 11,537.64, 15,921.36 and 6,503.04

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Solution

The fourth proportional to 11,537.64, 15,921.36 and 6,503.04 is: 8,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.64 : 15,921.36 = 6,503.04 : x
  2. Step 2: Convert to fraction form
    11,537.64/15,921.36 = 6,503.04/x
  3. Step 3: Cross multiply
    11,537.64x = 15,921.36 × 6,503.04
  4. Step 4: Simplify right side
    11,537.64x = 103,537,240.93
  5. Step 5: Solve for x
    x = 103,537,240.93/11,537.64
  6. Step 6: Final answer
    x = 8,973.87

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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.