Home / 10,590.51-15,885.03-3,571.11

Finding the Fourth Proportional to 10,590.51, 15,885.03 and 3,571.11

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Solution

The fourth proportional to 10,590.51, 15,885.03 and 3,571.11 is: 5,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.51 : 15,885.03 = 3,571.11 : x
  2. Step 2: Convert to fraction form
    10,590.51/15,885.03 = 3,571.11/x
  3. Step 3: Cross multiply
    10,590.51x = 15,885.03 × 3,571.11
  4. Step 4: Simplify right side
    10,590.51x = 56,727,189.48
  5. Step 5: Solve for x
    x = 56,727,189.48/10,590.51
  6. Step 6: Final answer
    x = 5,356.42

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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.