Home / 12,387.20-17,094.33-6,798.20

Finding the Fourth Proportional to 12,387.20, 17,094.33 and 6,798.20

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Solution

The fourth proportional to 12,387.20, 17,094.33 and 6,798.20 is: 9,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387.20 : 17,094.33 = 6,798.20 : x
  2. Step 2: Convert to fraction form
    12,387.20/17,094.33 = 6,798.20/x
  3. Step 3: Cross multiply
    12,387.20x = 17,094.33 × 6,798.20
  4. Step 4: Simplify right side
    12,387.20x = 116,210,588.73
  5. Step 5: Solve for x
    x = 116,210,588.73/12,387.20
  6. Step 6: Final answer
    x = 9,381.51

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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.