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Finding the Fourth Proportional to 12,482.12, 17,225.22 and 6,893

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Solution

The fourth proportional to 12,482.12, 17,225.22 and 6,893 is: 9,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.12 : 17,225.22 = 6,893 : x
  2. Step 2: Convert to fraction form
    12,482.12/17,225.22 = 6,893/x
  3. Step 3: Cross multiply
    12,482.12x = 17,225.22 × 6,893
  4. Step 4: Simplify right side
    12,482.12x = 118,733,441.46
  5. Step 5: Solve for x
    x = 118,733,441.46/12,482.12
  6. Step 6: Final answer
    x = 9,512.28

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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.