Home / 11,130.84-16,696.28-3,339.64

Finding the Fourth Proportional to 11,130.84, 16,696.28 and 3,339.64

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Solution

The fourth proportional to 11,130.84, 16,696.28 and 3,339.64 is: 5,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.84 : 16,696.28 = 3,339.64 : x
  2. Step 2: Convert to fraction form
    11,130.84/16,696.28 = 3,339.64/x
  3. Step 3: Cross multiply
    11,130.84x = 16,696.28 × 3,339.64
  4. Step 4: Simplify right side
    11,130.84x = 55,759,564.54
  5. Step 5: Solve for x
    x = 55,759,564.54/11,130.84
  6. Step 6: Final answer
    x = 5,009.47

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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.