Home / 8,808.61-12,152.49-5,622.02

Finding the Fourth Proportional to 8,808.61, 12,152.49 and 5,622.02

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Solution

The fourth proportional to 8,808.61, 12,152.49 and 5,622.02 is: 7,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.61 : 12,152.49 = 5,622.02 : x
  2. Step 2: Convert to fraction form
    8,808.61/12,152.49 = 5,622.02/x
  3. Step 3: Cross multiply
    8,808.61x = 12,152.49 × 5,622.02
  4. Step 4: Simplify right side
    8,808.61x = 68,321,487.19
  5. Step 5: Solve for x
    x = 68,321,487.19/8,808.61
  6. Step 6: Final answer
    x = 7,756.22

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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.