Home / 9,665.65-14,500.29-3,090.07

Finding the Fourth Proportional to 9,665.65, 14,500.29 and 3,090.07

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Solution

The fourth proportional to 9,665.65, 14,500.29 and 3,090.07 is: 4,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665.65 : 14,500.29 = 3,090.07 : x
  2. Step 2: Convert to fraction form
    9,665.65/14,500.29 = 3,090.07/x
  3. Step 3: Cross multiply
    9,665.65x = 14,500.29 × 3,090.07
  4. Step 4: Simplify right side
    9,665.65x = 44,806,911.12
  5. Step 5: Solve for x
    x = 44,806,911.12/9,665.65
  6. Step 6: Final answer
    x = 4,635.69

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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.