Home / 13,277.96-18,323.52-7,309.51

Finding the Fourth Proportional to 13,277.96, 18,323.52 and 7,309.51

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Solution

The fourth proportional to 13,277.96, 18,323.52 and 7,309.51 is: 10,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.96 : 18,323.52 = 7,309.51 : x
  2. Step 2: Convert to fraction form
    13,277.96/18,323.52 = 7,309.51/x
  3. Step 3: Cross multiply
    13,277.96x = 18,323.52 × 7,309.51
  4. Step 4: Simplify right side
    13,277.96x = 133,935,879.46
  5. Step 5: Solve for x
    x = 133,935,879.46/13,277.96
  6. Step 6: Final answer
    x = 10,087.08

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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.