Home / 11,612.29-17,425.74-4,948.78

Finding the Fourth Proportional to 11,612.29, 17,425.74 and 4,948.78

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Solution

The fourth proportional to 11,612.29, 17,425.74 and 4,948.78 is: 7,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.29 : 17,425.74 = 4,948.78 : x
  2. Step 2: Convert to fraction form
    11,612.29/17,425.74 = 4,948.78/x
  3. Step 3: Cross multiply
    11,612.29x = 17,425.74 × 4,948.78
  4. Step 4: Simplify right side
    11,612.29x = 86,236,153.60
  5. Step 5: Solve for x
    x = 86,236,153.60/11,612.29
  6. Step 6: Final answer
    x = 7,426.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.