Home / 7,362.16-11,039.76-2,678.89

Finding the Fourth Proportional to 7,362.16, 11,039.76 and 2,678.89

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Solution

The fourth proportional to 7,362.16, 11,039.76 and 2,678.89 is: 4,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.16 : 11,039.76 = 2,678.89 : x
  2. Step 2: Convert to fraction form
    7,362.16/11,039.76 = 2,678.89/x
  3. Step 3: Cross multiply
    7,362.16x = 11,039.76 × 2,678.89
  4. Step 4: Simplify right side
    7,362.16x = 29,574,302.67
  5. Step 5: Solve for x
    x = 29,574,302.67/7,362.16
  6. Step 6: Final answer
    x = 4,017.07

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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.