Home / 7,482.51-11,229.50-2,805.98

Finding the Fourth Proportional to 7,482.51, 11,229.50 and 2,805.98

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Solution

The fourth proportional to 7,482.51, 11,229.50 and 2,805.98 is: 4,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.51 : 11,229.50 = 2,805.98 : x
  2. Step 2: Convert to fraction form
    7,482.51/11,229.50 = 2,805.98/x
  3. Step 3: Cross multiply
    7,482.51x = 11,229.50 × 2,805.98
  4. Step 4: Simplify right side
    7,482.51x = 31,509,703.28
  5. Step 5: Solve for x
    x = 31,509,703.28/7,482.51
  6. Step 6: Final answer
    x = 4,211.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.