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Finding the Fourth Proportional to 8,897.34, 12,274.44 and 5,119.68

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Solution

The fourth proportional to 8,897.34, 12,274.44 and 5,119.68 is: 7,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.34 : 12,274.44 = 5,119.68 : x
  2. Step 2: Convert to fraction form
    8,897.34/12,274.44 = 5,119.68/x
  3. Step 3: Cross multiply
    8,897.34x = 12,274.44 × 5,119.68
  4. Step 4: Simplify right side
    8,897.34x = 62,841,204.98
  5. Step 5: Solve for x
    x = 62,841,204.98/8,897.34
  6. Step 6: Final answer
    x = 7,062.92

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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.