Home / 12,495.52-17,243.81-6,830.27

Finding the Fourth Proportional to 12,495.52, 17,243.81 and 6,830.27

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Solution

The fourth proportional to 12,495.52, 17,243.81 and 6,830.27 is: 9,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.52 : 17,243.81 = 6,830.27 : x
  2. Step 2: Convert to fraction form
    12,495.52/17,243.81 = 6,830.27/x
  3. Step 3: Cross multiply
    12,495.52x = 17,243.81 × 6,830.27
  4. Step 4: Simplify right side
    12,495.52x = 117,779,964.24
  5. Step 5: Solve for x
    x = 117,779,964.24/12,495.52
  6. Step 6: Final answer
    x = 9,425.78

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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.