Home / 9,206.13-12,700.42-6,220.88

Finding the Fourth Proportional to 9,206.13, 12,700.42 and 6,220.88

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Solution

The fourth proportional to 9,206.13, 12,700.42 and 6,220.88 is: 8,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.13 : 12,700.42 = 6,220.88 : x
  2. Step 2: Convert to fraction form
    9,206.13/12,700.42 = 6,220.88/x
  3. Step 3: Cross multiply
    9,206.13x = 12,700.42 × 6,220.88
  4. Step 4: Simplify right side
    9,206.13x = 79,007,709.72
  5. Step 5: Solve for x
    x = 79,007,709.72/9,206.13
  6. Step 6: Final answer
    x = 8,582.08

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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.