Home / 12,495.29-17,235.54-9,504.56

Finding the Fourth Proportional to 12,495.29, 17,235.54 and 9,504.56

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Solution

The fourth proportional to 12,495.29, 17,235.54 and 9,504.56 is: 13,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.29 : 17,235.54 = 9,504.56 : x
  2. Step 2: Convert to fraction form
    12,495.29/17,235.54 = 9,504.56/x
  3. Step 3: Cross multiply
    12,495.29x = 17,235.54 × 9,504.56
  4. Step 4: Simplify right side
    12,495.29x = 163,816,267.15
  5. Step 5: Solve for x
    x = 163,816,267.15/12,495.29
  6. Step 6: Final answer
    x = 13,110.25

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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.