Home / 12,561.23-17,314.26-8,526.83

Finding the Fourth Proportional to 12,561.23, 17,314.26 and 8,526.83

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Solution

The fourth proportional to 12,561.23, 17,314.26 and 8,526.83 is: 11,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.23 : 17,314.26 = 8,526.83 : x
  2. Step 2: Convert to fraction form
    12,561.23/17,314.26 = 8,526.83/x
  3. Step 3: Cross multiply
    12,561.23x = 17,314.26 × 8,526.83
  4. Step 4: Simplify right side
    12,561.23x = 147,635,665.02
  5. Step 5: Solve for x
    x = 147,635,665.02/12,561.23
  6. Step 6: Final answer
    x = 11,753.29

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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.