Home / 8,808.91-12,157.06-4,830.80

Finding the Fourth Proportional to 8,808.91, 12,157.06 and 4,830.80

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Solution

The fourth proportional to 8,808.91, 12,157.06 and 4,830.80 is: 6,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.91 : 12,157.06 = 4,830.80 : x
  2. Step 2: Convert to fraction form
    8,808.91/12,157.06 = 4,830.80/x
  3. Step 3: Cross multiply
    8,808.91x = 12,157.06 × 4,830.80
  4. Step 4: Simplify right side
    8,808.91x = 58,728,325.45
  5. Step 5: Solve for x
    x = 58,728,325.45/8,808.91
  6. Step 6: Final answer
    x = 6,666.92

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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.