Home / 12,562.65-17,331.52-7,527.09

Finding the Fourth Proportional to 12,562.65, 17,331.52 and 7,527.09

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Solution

The fourth proportional to 12,562.65, 17,331.52 and 7,527.09 is: 10,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.65 : 17,331.52 = 7,527.09 : x
  2. Step 2: Convert to fraction form
    12,562.65/17,331.52 = 7,527.09/x
  3. Step 3: Cross multiply
    12,562.65x = 17,331.52 × 7,527.09
  4. Step 4: Simplify right side
    12,562.65x = 130,455,910.88
  5. Step 5: Solve for x
    x = 130,455,910.88/12,562.65
  6. Step 6: Final answer
    x = 10,384.43

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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.