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Finding the Fourth Proportional to 9,354.66, 12,897.56 and 6,623.34

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Solution

The fourth proportional to 9,354.66, 12,897.56 and 6,623.34 is: 9,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.66 : 12,897.56 = 6,623.34 : x
  2. Step 2: Convert to fraction form
    9,354.66/12,897.56 = 6,623.34/x
  3. Step 3: Cross multiply
    9,354.66x = 12,897.56 × 6,623.34
  4. Step 4: Simplify right side
    9,354.66x = 85,424,925.05
  5. Step 5: Solve for x
    x = 85,424,925.05/9,354.66
  6. Step 6: Final answer
    x = 9,131.80

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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.