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Finding the Fourth Proportional to 12,504.51, 17,256.24 and 6,915.51

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Solution

The fourth proportional to 12,504.51, 17,256.24 and 6,915.51 is: 9,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.51 : 17,256.24 = 6,915.51 : x
  2. Step 2: Convert to fraction form
    12,504.51/17,256.24 = 6,915.51/x
  3. Step 3: Cross multiply
    12,504.51x = 17,256.24 × 6,915.51
  4. Step 4: Simplify right side
    12,504.51x = 119,335,700.28
  5. Step 5: Solve for x
    x = 119,335,700.28/12,504.51
  6. Step 6: Final answer
    x = 9,543.41

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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.