Home / 11,290.14-15,581.70-6,574.41

Finding the Fourth Proportional to 11,290.14, 15,581.70 and 6,574.41

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Solution

The fourth proportional to 11,290.14, 15,581.70 and 6,574.41 is: 9,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.14 : 15,581.70 = 6,574.41 : x
  2. Step 2: Convert to fraction form
    11,290.14/15,581.70 = 6,574.41/x
  3. Step 3: Cross multiply
    11,290.14x = 15,581.70 × 6,574.41
  4. Step 4: Simplify right side
    11,290.14x = 102,440,484.30
  5. Step 5: Solve for x
    x = 102,440,484.30/11,290.14
  6. Step 6: Final answer
    x = 9,073.45

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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.