Home / 12,432.52-17,156.64-6,767.08

Finding the Fourth Proportional to 12,432.52, 17,156.64 and 6,767.08

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Solution

The fourth proportional to 12,432.52, 17,156.64 and 6,767.08 is: 9,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.52 : 17,156.64 = 6,767.08 : x
  2. Step 2: Convert to fraction form
    12,432.52/17,156.64 = 6,767.08/x
  3. Step 3: Cross multiply
    12,432.52x = 17,156.64 × 6,767.08
  4. Step 4: Simplify right side
    12,432.52x = 116,100,355.41
  5. Step 5: Solve for x
    x = 116,100,355.41/12,432.52
  6. Step 6: Final answer
    x = 9,338.44

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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.