Home / 11,384.64-15,710.88-6,669

Finding the Fourth Proportional to 11,384.64, 15,710.88 and 6,669

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Solution

The fourth proportional to 11,384.64, 15,710.88 and 6,669 is: 9,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.64 : 15,710.88 = 6,669 : x
  2. Step 2: Convert to fraction form
    11,384.64/15,710.88 = 6,669/x
  3. Step 3: Cross multiply
    11,384.64x = 15,710.88 × 6,669
  4. Step 4: Simplify right side
    11,384.64x = 104,775,858.72
  5. Step 5: Solve for x
    x = 104,775,858.72/11,384.64
  6. Step 6: Final answer
    x = 9,203.26

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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.