Home / 8,088.08-12,115.80-5,583.12

Finding the Fourth Proportional to 8,088.08, 12,115.80 and 5,583.12

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Solution

The fourth proportional to 8,088.08, 12,115.80 and 5,583.12 is: 8,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.08 : 12,115.80 = 5,583.12 : x
  2. Step 2: Convert to fraction form
    8,088.08/12,115.80 = 5,583.12/x
  3. Step 3: Cross multiply
    8,088.08x = 12,115.80 × 5,583.12
  4. Step 4: Simplify right side
    8,088.08x = 67,643,965.30
  5. Step 5: Solve for x
    x = 67,643,965.30/8,088.08
  6. Step 6: Final answer
    x = 8,363.41

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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.