Home / 12,531.27-17,292.51-7,225.77

Finding the Fourth Proportional to 12,531.27, 17,292.51 and 7,225.77

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Solution

The fourth proportional to 12,531.27, 17,292.51 and 7,225.77 is: 9,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.27 : 17,292.51 = 7,225.77 : x
  2. Step 2: Convert to fraction form
    12,531.27/17,292.51 = 7,225.77/x
  3. Step 3: Cross multiply
    12,531.27x = 17,292.51 × 7,225.77
  4. Step 4: Simplify right side
    12,531.27x = 124,951,699.98
  5. Step 5: Solve for x
    x = 124,951,699.98/12,531.27
  6. Step 6: Final answer
    x = 9,971.19

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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.