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Finding the Fourth Proportional to 8,897.39, 12,264.24 and 7,005.96

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Solution

The fourth proportional to 8,897.39, 12,264.24 and 7,005.96 is: 9,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.39 : 12,264.24 = 7,005.96 : x
  2. Step 2: Convert to fraction form
    8,897.39/12,264.24 = 7,005.96/x
  3. Step 3: Cross multiply
    8,897.39x = 12,264.24 × 7,005.96
  4. Step 4: Simplify right side
    8,897.39x = 85,922,774.87
  5. Step 5: Solve for x
    x = 85,922,774.87/8,897.39
  6. Step 6: Final answer
    x = 9,657.08

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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.