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Finding the Fourth Proportional to 8,583.08, 12,843.33 and 7,088.40

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Solution

The fourth proportional to 8,583.08, 12,843.33 and 7,088.40 is: 10,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.08 : 12,843.33 = 7,088.40 : x
  2. Step 2: Convert to fraction form
    8,583.08/12,843.33 = 7,088.40/x
  3. Step 3: Cross multiply
    8,583.08x = 12,843.33 × 7,088.40
  4. Step 4: Simplify right side
    8,583.08x = 91,038,633.79
  5. Step 5: Solve for x
    x = 91,038,633.79/8,583.08
  6. Step 6: Final answer
    x = 10,606.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.