Home / 12,401.38-17,094.95-7,612.48

Finding the Fourth Proportional to 12,401.38, 17,094.95 and 7,612.48

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Solution

The fourth proportional to 12,401.38, 17,094.95 and 7,612.48 is: 10,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.38 : 17,094.95 = 7,612.48 : x
  2. Step 2: Convert to fraction form
    12,401.38/17,094.95 = 7,612.48/x
  3. Step 3: Cross multiply
    12,401.38x = 17,094.95 × 7,612.48
  4. Step 4: Simplify right side
    12,401.38x = 130,134,926.91
  5. Step 5: Solve for x
    x = 130,134,926.91/12,401.38
  6. Step 6: Final answer
    x = 10,493.58

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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.