Home / 12,633.04-18,935-7,088.88

Finding the Fourth Proportional to 12,633.04, 18,935 and 7,088.88

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Solution

The fourth proportional to 12,633.04, 18,935 and 7,088.88 is: 10,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.04 : 18,935 = 7,088.88 : x
  2. Step 2: Convert to fraction form
    12,633.04/18,935 = 7,088.88/x
  3. Step 3: Cross multiply
    12,633.04x = 18,935 × 7,088.88
  4. Step 4: Simplify right side
    12,633.04x = 134,227,942.80
  5. Step 5: Solve for x
    x = 134,227,942.80/12,633.04
  6. Step 6: Final answer
    x = 10,625.15

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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.