Home / 9,459.01-13,053.31-5,209.99

Finding the Fourth Proportional to 9,459.01, 13,053.31 and 5,209.99

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Solution

The fourth proportional to 9,459.01, 13,053.31 and 5,209.99 is: 7,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.01 : 13,053.31 = 5,209.99 : x
  2. Step 2: Convert to fraction form
    9,459.01/13,053.31 = 5,209.99/x
  3. Step 3: Cross multiply
    9,459.01x = 13,053.31 × 5,209.99
  4. Step 4: Simplify right side
    9,459.01x = 68,007,614.57
  5. Step 5: Solve for x
    x = 68,007,614.57/9,459.01
  6. Step 6: Final answer
    x = 7,189.72

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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.