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Finding the Fourth Proportional to 8,895.13, 12,261.14 and 7,003.71

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Solution

The fourth proportional to 8,895.13, 12,261.14 and 7,003.71 is: 9,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.13 : 12,261.14 = 7,003.71 : x
  2. Step 2: Convert to fraction form
    8,895.13/12,261.14 = 7,003.71/x
  3. Step 3: Cross multiply
    8,895.13x = 12,261.14 × 7,003.71
  4. Step 4: Simplify right side
    8,895.13x = 85,873,460.07
  5. Step 5: Solve for x
    x = 85,873,460.07/8,895.13
  6. Step 6: Final answer
    x = 9,653.99

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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.