Home / 11,140.65-16,713.09-4,477.67

Finding the Fourth Proportional to 11,140.65, 16,713.09 and 4,477.67

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Solution

The fourth proportional to 11,140.65, 16,713.09 and 4,477.67 is: 6,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.65 : 16,713.09 = 4,477.67 : x
  2. Step 2: Convert to fraction form
    11,140.65/16,713.09 = 4,477.67/x
  3. Step 3: Cross multiply
    11,140.65x = 16,713.09 × 4,477.67
  4. Step 4: Simplify right side
    11,140.65x = 74,835,701.70
  5. Step 5: Solve for x
    x = 74,835,701.70/11,140.65
  6. Step 6: Final answer
    x = 6,717.35

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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.