Home / 9,196.13-12,690.51-8,443.00

Finding the Fourth Proportional to 9,196.13, 12,690.51 and 8,443.00

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Solution

The fourth proportional to 9,196.13, 12,690.51 and 8,443.00 is: 11,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196.13 : 12,690.51 = 8,443.00 : x
  2. Step 2: Convert to fraction form
    9,196.13/12,690.51 = 8,443.00/x
  3. Step 3: Cross multiply
    9,196.13x = 12,690.51 × 8,443.00
  4. Step 4: Simplify right side
    9,196.13x = 107,145,960.13
  5. Step 5: Solve for x
    x = 107,145,960.13/9,196.13
  6. Step 6: Final answer
    x = 11,651.20

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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.