Home / 10,620.93-15,913.67-7,495.77

Finding the Fourth Proportional to 10,620.93, 15,913.67 and 7,495.77

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Solution

The fourth proportional to 10,620.93, 15,913.67 and 7,495.77 is: 11,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.93 : 15,913.67 = 7,495.77 : x
  2. Step 2: Convert to fraction form
    10,620.93/15,913.67 = 7,495.77/x
  3. Step 3: Cross multiply
    10,620.93x = 15,913.67 × 7,495.77
  4. Step 4: Simplify right side
    10,620.93x = 119,285,172.70
  5. Step 5: Solve for x
    x = 119,285,172.70/10,620.93
  6. Step 6: Final answer
    x = 11,231.14

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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.