Home / 12,700.11-17,526.27-7,663.36

Finding the Fourth Proportional to 12,700.11, 17,526.27 and 7,663.36

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Solution

The fourth proportional to 12,700.11, 17,526.27 and 7,663.36 is: 10,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.11 : 17,526.27 = 7,663.36 : x
  2. Step 2: Convert to fraction form
    12,700.11/17,526.27 = 7,663.36/x
  3. Step 3: Cross multiply
    12,700.11x = 17,526.27 × 7,663.36
  4. Step 4: Simplify right side
    12,700.11x = 134,310,072.65
  5. Step 5: Solve for x
    x = 134,310,072.65/12,700.11
  6. Step 6: Final answer
    x = 10,575.50

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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.