Home / 12,562.09-17,338.79-7,259.96

Finding the Fourth Proportional to 12,562.09, 17,338.79 and 7,259.96

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Solution

The fourth proportional to 12,562.09, 17,338.79 and 7,259.96 is: 10,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.09 : 17,338.79 = 7,259.96 : x
  2. Step 2: Convert to fraction form
    12,562.09/17,338.79 = 7,259.96/x
  3. Step 3: Cross multiply
    12,562.09x = 17,338.79 × 7,259.96
  4. Step 4: Simplify right side
    12,562.09x = 125,878,983.35
  5. Step 5: Solve for x
    x = 125,878,983.35/12,562.09
  6. Step 6: Final answer
    x = 10,020.55

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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.