Home / 11,054.40-15,248.04-7,074.08

Finding the Fourth Proportional to 11,054.40, 15,248.04 and 7,074.08

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Solution

The fourth proportional to 11,054.40, 15,248.04 and 7,074.08 is: 9,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.40 : 15,248.04 = 7,074.08 : x
  2. Step 2: Convert to fraction form
    11,054.40/15,248.04 = 7,074.08/x
  3. Step 3: Cross multiply
    11,054.40x = 15,248.04 × 7,074.08
  4. Step 4: Simplify right side
    11,054.40x = 107,865,854.80
  5. Step 5: Solve for x
    x = 107,865,854.80/11,054.40
  6. Step 6: Final answer
    x = 9,757.73

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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.