Home / 12,504.95-17,256.13-6,838.58

Finding the Fourth Proportional to 12,504.95, 17,256.13 and 6,838.58

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Solution

The fourth proportional to 12,504.95, 17,256.13 and 6,838.58 is: 9,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.95 : 17,256.13 = 6,838.58 : x
  2. Step 2: Convert to fraction form
    12,504.95/17,256.13 = 6,838.58/x
  3. Step 3: Cross multiply
    12,504.95x = 17,256.13 × 6,838.58
  4. Step 4: Simplify right side
    12,504.95x = 118,007,322.12
  5. Step 5: Solve for x
    x = 118,007,322.12/12,504.95
  6. Step 6: Final answer
    x = 9,436.85

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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.