Home / 12,515.45-17,252.91-9,526.07

Finding the Fourth Proportional to 12,515.45, 17,252.91 and 9,526.07

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Solution

The fourth proportional to 12,515.45, 17,252.91 and 9,526.07 is: 13,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.45 : 17,252.91 = 9,526.07 : x
  2. Step 2: Convert to fraction form
    12,515.45/17,252.91 = 9,526.07/x
  3. Step 3: Cross multiply
    12,515.45x = 17,252.91 × 9,526.07
  4. Step 4: Simplify right side
    12,515.45x = 164,352,471.50
  5. Step 5: Solve for x
    x = 164,352,471.50/12,515.45
  6. Step 6: Final answer
    x = 13,131.97

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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.